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Havelock Wool | Wool Insulation

Havelock Wool | Wool Insulation

Intelligent Insulation For Your Healthy Home

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Andrew Legge

Natural fibers outperform as insulators: it’s science not conjecture. And it is on the mind of 9th graders.

June 17, 2022 by Andrew Legge 1 Comment

We quote the abstract from Nikita’s report, which is below, to remove any ambiguity as to why a 9th grader might be interested in the…

Filed Under: sustainable building, Wool Insulation Tagged With: sustainable insulation

If it’s not wool, why do other companies call their products wool?

April 4, 2022 by Andrew Legge 2 Comments

Insulation industry participants use “wool” in their product names.  Why?  Maybe it’s because wool conjures up feelings of warmth and protection from the elements? Maybe…

Filed Under: sustainable building, Wool Insulation Tagged With: sustainable insulation

DIY Insulation Installation is Coming to Homes.  Why?

February 11, 2022 by Andrew Legge Leave a Comment

Friends in the space notwithstanding, there is not a lot of positive commentary to shed on the insulation installer industry at large.  We’ll use a…

Filed Under: sustainable building, Wool Insulation Tagged With: sustainable insulation

An Architect’s Perspective on Havelock Wool

January 5, 2022 by Andrew Legge 3 Comments

Ever wonder how professional architects approach the design and build of their own homes? And how they choose materials? We had the great fortune of…

Filed Under: sustainable building, Wool Insulation Tagged With: sustainable insulation

Insulation to Save the World

December 9, 2021 by Andrew Legge Leave a Comment

Have you heard about the movement in the UK called Insulate Britain? It was started just this fall by climate activists demanding that the UK…

Filed Under: sustainable building, Wool Insulation Tagged With: sustainable insulation

Batts v. Blown-in Round 2: Where to use Havelock Wool products?

November 23, 2021 by Andrew Legge 6 Comments

  We wrote a piece back in the middle of the summer outlining the difference between blown-in and batt insulation.  A copy can be found…

Filed Under: sustainable building, Wool Insulation Tagged With: attic insulation, blown-in

DIY Blown-In Attic Insulation

October 20, 2021 by Andrew Legge 8 Comments

We field questions every day from homeowners about how to improve the efficiency of their homes and lower their energy bills with insulation. Obviously, there…

Filed Under: sustainable building, Wool Insulation Tagged With: attic insulation, blown-in

Air Barrier vs Vapor Barrier

September 24, 2021 by Andrew Legge 5 Comments

Do you need an air barrier or a vapor barrier? This is a heavily debated topic in building science. In this post, we’ll outline the…

Filed Under: sustainable building, Wool Insulation Tagged With: air barrier, vapor barrier

The Truth about Thermal Conductivity

September 2, 2021 by Andrew Legge Leave a Comment

Thermal conductivity is an extremely important measurement when it comes to insulation. In the US an R-value, or resistance value, is assigned and, simplistically, the…

Filed Under: sustainable building, Wool Insulation Tagged With: blown-in, healthy building, vented roof, wool insulation

The Global Supply Chain: A Havelock Perspective

August 12, 2021 by Andrew Legge 15 Comments

Global Supply Chain Though we are small we are indeed a global manufacturer.  Our raw material comes from New Zealand; we make our products in…

Filed Under: sustainable building, Wool Insulation Tagged With: blown-in, healthy building, vented roof, wool insulation

Unvented and Vented Roof Assemblies

July 30, 2021 by Andrew Legge 4 Comments

As our following in the residential insulation space grows, we receive more and more questions about general building practices. One topic that is particularly popular…

Filed Under: sustainable building, Wool Insulation Tagged With: blown-in, healthy building, vented roof, wool insulation

Wool is for Walls – Vans and Homes

July 9, 2021 by Andrew Legge 12 Comments

The attributes that make wool insulation good for your van are the same ones that make it good for your home. Indeed, we began Havelock…

Filed Under: sustainable building, Wool Insulation Tagged With: blown-in, healthy building, wool insulation

Blown-in Insulation and Batt Insulation. What’s the difference?

June 25, 2021 by Andrew Legge 10 Comments

When we started Havelock Wool we were adamant about offering the two main types of insulation, batts and blown-in (loose fill). There are advantages to…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: blown-in, healthy building, wool insulation

Did you know ducts are often lined with fiberglass?

June 17, 2021 by Andrew Legge 6 Comments

It wasn’t until our forays in insulation began that we became aware of the relationship between duct insulation and the potential to inhale fiberglass particulate….

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

What does a whole house insulated with wool feel like?

June 1, 2021 by Andrew Legge 10 Comments

It is almost impossible to relay the very real advantages of wool. It creates a temperate, comfortable, healthy, and just plain happy place. If you’ve…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Exterior Insulation….it’s coming in hot, and not hot!

May 13, 2021 by Andrew Legge 3 Comments

Exterior insulation is on the scene and occupying a more commanding role as better building practices evolve. It offers an arguably superior opportunity to create…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Explaining the Surge in Home and Building Material Prices

April 23, 2021 by Andrew Legge 10 Comments

The surge in home prices throughout the US has been startling, to say the least. Rewind back to March of 2020 and very few would…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Indoor Air Quality in an Airtight Home

April 6, 2021 by Andrew Legge 1 Comment

We recently wrote a piece about the importance of an airtight home. The core premise is that a structure that allows for air transport –…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Building Science – A Simplified and Useful View

March 17, 2021 by Andrew Legge Leave a Comment

A guest post from our friend Lucas Johnson of Vali Homes How I Met the Havelock Flock In the before times, when we met in…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

What is a takeoff and why is it important?

February 15, 2021 by Andrew Legge Leave a Comment

What is a takeoff exactly? It is a measurement of material requirements often based on plans or architectural drawings. It applies to all materials that…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Wool insulation installation…. what’s the real deal?

January 29, 2021 by Andrew Legge 9 Comments

Insulation installation is a crowded and underappreciated space. It is also one that detests change. It is hugely competitive – ie single-digit margins, which is…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

A Noteworthy View of the US Insulation Market

January 15, 2021 by Andrew Legge Leave a Comment

The insulation industry is bigger than most people think. When we started Havelock Wool estimates were that the US market would grow to some $16bn…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Human-made mass now exceeds all living biomass

December 18, 2020 by Andrew Legge 2 Comments

As we have written about before, the impact of the built environment on global carbon emissions is massive. Building materials, construction, and operations are responsible…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

What’s going on with Havelock’s backlog?

December 3, 2020 by Andrew Legge 12 Comments

The building industry is oft subject to increases throughout the calendar year but product availability is rarely an issue. These times are clearly unprecedented, at…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Quick Update from Havelock Wool

November 13, 2020 by Andrew Legge 14 Comments

We turned 7 this year and finally had our break out party. Last year was great, a double on the one before, but it’s 2020,…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

The Wall System Evolution

October 7, 2020 by Andrew Legge 1 Comment

Walls used to be walls. A simple protector from the outside – wind, rain, cold, heat… you know the elements. Primitively, they were porous and…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Wool Insulation Going Mainstream

September 28, 2020 by Andrew Legge 6 Comments

There is an interesting development in the UK which could bode well for the use of wool in home and commercial insulation, not just there…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Home Improvement

September 10, 2020 by Andrew Legge 5 Comments

Home improvement might be marginally better than sitting in traffic. It is also how we run into operational problems at home. I’ll get to it…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Energy Transfer 101

August 21, 2020 by Andrew Legge 3 Comments

We have an online forum for our vanlife community to share ideas and experiences around using Havelock Wool. Every so often there is a post…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

Does your insulation store carbon?

August 7, 2020 by Andrew Legge Leave a Comment

As we have written about, the carbon emissions of Havelock Wool stack up extremely favorably compared to any other insulation material. It’s easy to understand…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

We’ve learned quite a bit in 7 years….time to share.

July 29, 2020 by Andrew Legge 7 Comments

We’ve been at this for 7 years.  We began surrounded by building industry vets and were happy to keep our ears open and our mouths…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, wool insulation

The Havelock Wool LCA / EPD

July 16, 2020 by Andrew Legge 2 Comments

After a bit of hard work and investment, we have published the Havelock Wool EPD (Environmental Product Declaration) and LCA (Life Cycle Assessment). We began…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, indoor air quality, mold resistance, wool insulation

Havelock Wool is Mold Resistant

June 25, 2020 by Andrew Legge 7 Comments

In this post we won’t get into why mold is a bad thing for your living space. This topic is widely covered and frankly there…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, indoor air quality, mold resistance, wool insulation

Talking Van Insulation with Wayfarer Vans

June 9, 2020 by Andrew Legge

We recently sat down with our good friend and partner Ian Horgan from Wayfarer Vans. Ian’s company is one of the preeminent van upfitters as…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: sustainable building, van insulation, wool insulation

Havelock Wool is Fire Resistant

June 5, 2020 by Andrew Legge

One of the most common questions we get about wool insulation is what about fire resistance? It’s a crucial factor when considering any building material,…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: fire resistance, healthy building, indoor air quality, wool insulation

Behind the Studs with Havelock Wool

May 28, 2020 by Andrew Legge Leave a Comment

We were lucky to be invited onto the Behind the Studs podcast, hosted by Colin Shaw and Jimmy Driscoll, two great homebuilders and remodelers from…

Filed Under: sustainable building, Wool Insulation Tagged With: batt installation, healthy home, wool insulation

Indoor Air Quality : Wool and Formaldehyde

May 14, 2020 by Andrew Legge

Let’s start with understanding formaldehyde. What is it? Formaldehyde is a colorless, strong-smelling gas used in making building materials and many household products. It is…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, indoor air quality, wool insulation

The Havelock Wool Story – in a 3 minute video!

April 24, 2020 by Andrew Legge 4 Comments

We started Havelock Wool because we saw an opportunity to effect positive change by re-introducing an incredibly dynamic fiber into the built environment. It has…

Filed Under: sustainable building, Wool Insulation Tagged With: batt installation, healthy home, wool insulation

Hey Havelock…how is your LCA / EPD going?

April 17, 2020 by Andrew Legge

We have enjoyed learning more about the LCA/EPD process and how our endeavors fit in the equation. We can skip over the process and let…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: biophilic design, healthy building, wool insulation

The Definitive Havelock Wool Insulation Installation Videos

April 2, 2020 by Andrew Legge 8 Comments

We are excited to share our new Havelock Wool installation videos with you. We get many questions about the specifics of installing Havelock Wool and…

Filed Under: sustainable building, Wool Insulation Tagged With: batt installation, healthy home, wool insulation

Havelock Wool Forging Ahead

March 26, 2020 by Andrew Legge

Our process is uniquely simple. We procure raw material (wool) in New Zealand, send it to ourselves in Nevada where we run a lite-touch manufacturing…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: biophilic design, healthy building, wool insulation

The Better Building Club

March 12, 2020 by Andrew Legge

The Better Building Club We attempt to write this week with no tone. This is simply an effort to raise awareness around a recurring theme…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: biophilic design, healthy building, wool insulation

The Importance of Indoor Air Quality

March 6, 2020 by Andrew Legge

Indoor Air Quality is Important The air we breathe in our homes, schools, and buildings is often 2-5 times more polluted than outside air. While…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: biophilic design, healthy building, wool insulation

Implementing Biophilic Design in Your Living Space

February 28, 2020 by Andrew Legge

As we’ve written about before, we believe strongly in connecting our built environment with the natural world. Biophilic design does just that by establishing direct…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: biophilic design, healthy building, wool insulation

How to Choose an Insulation Installer

February 13, 2020 by Andrew Legge

For too long the consensus view has been that insulation doesn’t matter. ‘Just go the cheapest route, get it in the walls and cover it…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, insulation cost, sustainable building, wool insulation

Insulation Terms….Make Informed Decisions

January 30, 2020 by Andrew Legge

As our business grows we meet more people everyday interested in healthy building. Some are building experts but often people are just beginning to learn…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, insulation terms, sustainable building, wool insulation

What’s so cool about wool?

January 17, 2020 by Andrew Legge

Someone recently highlighted an interesting fact to us. If (insert big company name here e.g. 3M or Dupont) made a fiber that was renewable, managed…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, insulation cost, sustainable building, wool insulation

Havelock 2020 Vision

January 7, 2020 by Andrew Legge

We celebrated 6 years in October and just closed our best year ever – by a wide margin. At 6 we are more than halfway…

Filed Under: r value, sustainable building, Wool Insulation Tagged With: eco friendly insulation, sustainable insulation, wool insulation

Construction Emissions Must be Addressed

December 20, 2019 by Andrew Legge

We understand that more efficient structures can lead to reduced energy consumption. However, we also increasingly understand there is much more to the equation than…

Filed Under: r value, sustainable building, Wool Insulation Tagged With: eco friendly insulation, sustainable insulation

What are others saying about Havelock Wool?

December 5, 2019 by Andrew Legge

We are happy to share testimonials and quite proud of the feedback we are able to earn from our products. Wool and its high-integrity characteristics…

Filed Under: r value, sustainable building, Wool Insulation Tagged With: eco friendly insulation, sustainable insulation

The Insulation Decision

November 21, 2019 by Andrew Legge

Kristof Irwin of Positive Energy recently hosted our friend Lucas Johnson of 475 Building Supply on his podcast for a fascinating discussion around sustainable building….

Filed Under: r value, sustainable building, Wool Insulation Tagged With: eco friendly insulation, sustainable insulation

What is Batt Insulation?

November 15, 2019 by Andrew Legge

Figuring out your home insulation options can be confusing. There are a lot of variables to consider. In this post, we’ll explain the basics of…

Filed Under: r value, sustainable building, Wool Insulation Tagged With: batt insulation, batt insulation cost, batt insulation r value

Restoration and Insulation

November 8, 2019 by Andrew Legge

There is an argument that the ultimate in sustainability is to ‘use what you have’. This certainly applies to the homes we live in. Home…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, sustainable building, wool insulation

Why Wool Works

October 31, 2019 by Andrew Legge 2 Comments

There are many unique qualities of the wool fiber that make it a high-performing insulation – moisture management, air filtration, sound absorption, fire resistance. One…

Filed Under: sustainable building, Wool Insulation Tagged With: healthy home, sound absorption, wool insulation

Sound Absorption

October 22, 2019 by Andrew Legge 8 Comments

A Noise Reduction Coefficient (NRC) is a rating for how much sound a material absorbs. The higher the rating, the better the sound absorption. So…

Filed Under: sustainable building, Wool Insulation Tagged With: healthy home, sound absorption, wool insulation

Stop Using Foam Insulation

October 8, 2019 by Andrew Legge

As we’ve written before, we think foam insulation has NO place in a home. It is a toxic, high embodied carbon shortcut to insulating properly….

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, insulation cost, sustainable building, wool insulation

Vapor and Condensation – The nitty gritty (Updated April 2022)

October 3, 2019 by Andrew Legge

At the avant-garde of building science there is an increasingly lively debate around the correct wall assembly to manage vapor diffusion. The conversation, though dense…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, insulation cost, sustainable building, wool insulation

Aligned Interests

September 25, 2019 by Andrew Legge

In this week’s podcast, we check in with Christine, a homeowner, mother of two and a repeat purchaser of Havelock Wool. Her compelling perspective reinforces…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, sustainable building, wool insulation

A Quick Video : Installing Batt Insulation

September 20, 2019 by Andrew Legge 1 Comment

You’ve probably never installed home batt insulation and frankly probably hope life will stay that way. To make matters worse, just google “installing batt insulation”…

Filed Under: sustainable building, Wool Insulation Tagged With: batt installation, healthy home, wool insulation

Insulation Cost in Context (Updated May 2021)

September 12, 2019 by Andrew Legge

Do the slightest amount of research and you will quickly find the cost of insulation varies greatly. Purchasing power and materials both play a role….

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, insulation cost, sustainable building, wool insulation

Borderline fun to install insulation

August 27, 2019 by Andrew Legge

This week we sat down with our friend Cameron Reith, founder of Greenhome Solutions, a green building product supplier in Seattle. We had a great…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, sustainable building, wool insulation

Misaligned Interests : Today’s Insulation Installation Industry

August 15, 2019 by Andrew Legge

Misaligned Interests This week we’d like to give our perspective on the insulation installation industry. After six years of working closely with these companies, we’ve…

Filed Under: insulation measurement, sustainable building, Wool Insulation Tagged With: healthy building, healthy home, insulation installation, wool insulation

40% of Carbon Emissions Originate in the Built Environment

August 8, 2019 by Andrew Legge

Despite compelling evidence, science and everyday events there are some folks that remain unconvinced concerning climate change. We are not here to try and change…

Filed Under: sustainable building, Wool Insulation Tagged With: healthy building, healthy home, wool insulation

Why Wool in 100 Seconds

July 24, 2019 by Andrew Legge 2 Comments

We’ve spent a long time trying to boil the why wool topic down to something easy and even a bit fun to view. Ideally, you…

Filed Under: sustainable building, Wool Insulation Tagged With: healthy home, wool insulation

A Quick Look at Havelock Wool Operations

July 18, 2019 by Andrew Legge

Our friend Jarrod Tocci recently dropped by our facility to take a tour and catch up with our sales guru Josh Schohn. Jarrod by way…

Filed Under: #VanLife, sustainable building, Wool Insulation Tagged With: healthy building, sustainable building, wool insulation

The Simple Path to Sustainable Building

July 10, 2019 by Andrew Legge

Are sustainable building practices becoming more common? This week’s podcast is an in-depth conversation with our friend Mike Horgan of Horgan Design Build. Mike is…

Filed Under: sustainable building, Wool Insulation Tagged With: healthy building, sustainable building, wool insulation

Does R-value even matter?

July 10, 2019 by Andrew Legge

What is R-value? Updated March 4, 2021 Put simply, R-value is a metric used to judge thermal insulation performance. It’s expressed as a number and…

Filed Under: r value, sustainable building, Wool Insulation Tagged With: healthy building, healthy home, wool insulation

Checking in on some residential insulation projects

July 1, 2019 by Andrew Legge

We recently concluded a road trip to check in on some Havelock customers to hear how their residential insulation projects are going. It’s always good…

Filed Under: insulation measurement, Wool Insulation Tagged With: healthy building, renewable materials, wool insulation

Embodied Carbon Network – Renewable Materials Discussion

June 26, 2019 by Andrew Legge

We are proud members of the Embodied Carbon Network (ECN) and try to be as active as possible on the renewable materials task force. The…

Filed Under: insulation measurement, Wool Insulation Tagged With: healthy building, renewable materials, wool insulation

Insulation Measurement Doesn’t Need to be Complicated. The Easy Step-by-Step Process.

June 11, 2019 by Andrew Legge

A common question we get from folks installing wool insulation (or at least thinking about it) is “How much wool will I need?” Insulation measurement…

Filed Under: insulation measurement, Wool Insulation Tagged With: healthy building, insulation measurement, wool insulation

A Few Proud Moments at Havelock Wool

June 4, 2019 by Andrew Legge

On the back of a few recent events, we wanted to share two proud moments here at Havelock Wool. Both involve families with young kids…

Filed Under: Wool Insulation Tagged With: healthy building, healthy home, wool insulation

More Nature: It’s good for you, really good!

May 30, 2019 by Andrew Legge 2 Comments

Biophilic design means more nature in our daily lives. More and more folks yearn to get reconnected with their natural surroundings.  Wool insulation is one…

Filed Under: Wool Insulation Tagged With: healthy building, wool insulation

If your house can’t breathe, what are you breathing? Rethinking moisture management

May 16, 2019 by Andrew Legge

Moisture has always posed a challenge in the built environment, whether in your house, your kid’s school or even your van. It creates real problems…

Filed Under: Wool Insulation Tagged With: healthy building, vanlife, wool insulation

What better high-quality building material is there than two age-old renewable resources: wood and wool

May 3, 2019 by Andrew Legge

Globally, there are 2.4 trillion square feet of structures in the built environment, a number slated to double in the next 40 years. Instead of…

Filed Under: Wool Insulation Tagged With: healthy building, vanlife, wool insulation

The simple reasons for using Havelock Wool (and how to convince your spouse, builder, architect)

April 17, 2019 by Andrew Legge

Healthy building materials are entering the realm of organic, healthy foods. If you are exercising and eating right why go home to a house full…

Filed Under: Wool Insulation Tagged With: healthy building, vanlife, wool insulation

A great how-to video: #FindingFreshAir installs Havelock Wool

April 1, 2019 by Andrew Legge

We’re psyched to share this awesome video from our friends @FindingFreshAir. We partnered with them on their van insulation install and they CRUSHED it with…

Filed Under: #VanLife, Uncategorized Tagged With: van conversion, vanlife

Havelock Wool Podcast

March 20, 2019 by Andrew Legge

Demand for sustainable and healthy building materials is experiencing explosive growth…. and not just in traditional residential construction. In this month’s podcast we sit down…

Filed Under: Wool Insulation

Fiberglass may be an industry staple but there are more risks than you realize

March 7, 2019 by Andrew Legge

Fiberglass insulation is the industry standard.  It is highly unlikely this will change any time soon, if ever.  We are here to disrupt your thinking…

Filed Under: Wool Insulation

Awfully proud to be the wool provider for this special building

March 7, 2019 by Andrew Legge

From Washingtonian Magazine: Awfully proud to be the wool provider for this special building. Read the full article: https://www.washingtonian.com/2018/12/28/this-eco-friendly-anacostia-house-is-built-almost-entirely-out-of-bamboo/ Connect With The Havelock Herd   …

Filed Under: News

We need action, not more science and data!

February 26, 2019 by Andrew Legge

Greta Thunberg’s Ted Talk simply says it all: We have the data and the science! Every so often someone finds a way to cut through…

Filed Under: Wool Insulation

Anyone Contemplating Foam Insulation Needs To Read This Post

February 20, 2019 by Andrew Legge 3 Comments

The passage below is an excerpt from testimony given to the General Law Committee in the state of CT addressing the problems with spray foam…

Filed Under: Wool Insulation

Havelock Wool Podcast

February 14, 2019 by Andrew Legge

We’re kicking off a podcast series. Conversations will focus on interesting and satiable topics around the built environment, the building envelope and insulation. We’ll do…

Filed Under: Wool Insulation

Hug an Architect

February 7, 2019 by Andrew Legge

Memo to Architects: we need you to save our world, AND YOU CAN DO IT! If you’re an architect, you should know all about Ed…

Filed Under: Uncategorized

Common Misconceptions About Insulation

January 30, 2019 by Andrew Legge

Insulation is a topic in building that most folks don’t care to think about much less discuss. Most products are low-grade fibers and/or some weak…

Filed Under: Uncategorized, Wool Insulation

Do vapor barriers belong in your home? (Updated Oct. 2020)

January 25, 2019 by Andrew Legge 8 Comments

Vapor barriers are a common theme in our daily communique with the ever-increasing number of consumers who care and/or want to learn about the building…

Filed Under: Uncategorized, Wool Insulation

7 Green Insulation Types for New and Existing Buildings

December 12, 2018 by Andrew Legge

From Buildings Magazine: There are plenty of alternatives out there, from natural materials to recycled ones. Companies like @ecovative, Havelock Wool and Knauf Insulation are…

Filed Under: News

The Baaahs and The Bees

December 4, 2018 by Andrew Legge

The cheeky title notwithstanding we are honored to participate in a new endeavor with the folks at Backyardhive.com.  We suggest clicking the link to their…

Filed Under: Uncategorized

A Palette for Architecture 2030

September 20, 2018 by Andrew Legge

Over the next twenty years, an area equal to a 3.5x the built environment of the U.S. will be redesigned, reshaped, and rebuilt. How do we do it properly?

Filed Under: Uncategorized, Wool Insulation

Smart Wall Enclosure Selected By Green Builder’s Editors as ‘Hot 50 Product’

June 26, 2018 by Andrew Legge

From Green Builder Staff: As efficiency becomes more of a focal point in the building equation, greater emphasis is being placed on airtight structures. But…

Filed Under: News

Havelock Wool Featured: How to Build an Eco-Friendly Campervan

June 26, 2018 by Andrew Legge

From sustainablevanlife.com: Insulation This is something that we spent a lot of time researching on our first build. After a lot of reading, question asking…

Filed Under: News

Garbage In, Garbage In – Our Own Thoughts On Velux’s “The Indoor Generation”

June 21, 2018 by Andrew Legge

We were recently heavily affected by a video produced by the Velux Group. Talk about leading from way ahead of the pack! From a personal…

Filed Under: Wool Insulation

A Happy Customer’s Review

May 15, 2018 by Andrew Legge

We often get happy customers more than excited to tell us how much they love our wool insulation. What follows is a letter written by…

Filed Under: Wool Insulation

Wool Insulation vs. Ecobatt

May 15, 2018 by Andrew Legge

Want to know why we are still such a small business? Disinformation. See below and PLEASE use your brain when making decisions. Intuitively there is…

Filed Under: Wool Insulation

Is Common Sense Becoming More Common?

May 8, 2018 by Andrew Legge

Michael Lewis has made a career out of learning, first hand, the inadequacies of the finance trade and subsequently spent decades narrating, exquisitely, on the…

Filed Under: Wool Insulation

A Mother’s Journey

May 4, 2018 by Andrew Legge

A Mother’s Quest for Healthy Living When Havelock Wool was just a concept we spent countless hours in due diligence. Aside from modeling throughput and…

Filed Under: Uncategorized

What is a Building Envelope?

April 26, 2018 by Andrew Legge

This topic delves straight into the science of a building envelope. Not only does it divide the educated from the less so, but it truly…

Filed Under: Wool Insulation

Is Wool For Insulation a New Thing?

April 24, 2018 by Andrew Legge

“Is using wool for insulation really a new thing?” Seems intuitive to us that the answer would be a resounding NO. However, we get the…

Filed Under: Wool Insulation

A Smart, Natural Wool Insulation for Healthy Buildings

April 20, 2018 by Andrew Legge

Havelock Wool was recently featured in The Construction Specifier. Check out the article below: Building energy codes continue to shift in the direction of increased…

Filed Under: News

Havelock Wool Featured in Builder

April 18, 2018 by Andrew Legge

Havelock Wool was recently featured in a post from Builder: 2018 PRODUCT GUIDE: EXTERIOR -Stylish and resilient options for roofing, siding, insulation, adhesives and outdoor…

Filed Under: News

Is Competition Always a Good Thing?

April 17, 2018 by Andrew Legge

As a proud alum of University of Chicago Booth School of Business where the book on efficient markets was literally written one could safely assume…

Filed Under: Wool Insulation

Wool Insulation Product Creates a ‘Smart Wall’

January 8, 2018 by Andrew Legge

Havelock Wool, a provider of wool insulation solutions, in partnership with 475 High Performance Building Supply, has introduced the ‘Smart Wall’, a smart enclosure system…

Filed Under: News

The ‘Smart Wall’ Offers Sustainable, Healthy Building Envelope

January 6, 2018 by Andrew Legge

  HAVELOCK WOOL AND 475 HIGH PERFORMANCE BUILDING SUPPLY HAVE PARTNERED TO CREATE THE PRODUCT. Havelock Wool garnered attention in the building industry last year…

Filed Under: News

Thinking Beyond The Building

December 11, 2017 by Andrew Legge

We want to say thank you to Michael Strong from Pankow Blue for this video where he talks about some of the many benefits of…

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Global Logistics Planning Guide: SUPPLY CHAIN AND DEMAND

December 9, 2017 by Andrew Legge

    Andrew Legge has found a unique niche as founder and managing partner of Havelock Wool, a three-year-old, seven-employee business that processes its insulation…

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Sheep’s Wool Insulation: A Natural, Non-Toxic, High-Performance Building Material

November 30, 2017 by Andrew Legge

  Insulation in the built environment has been undervalued for too long. Fortunately, that’s changing. Indoor air quality is becoming a priority for a vastly…

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Wool Insulation Creates Smarter Spaces

October 16, 2017 by Andrew Legge

Innovative Insulation Ahead-of-the-trend green builders, architects, and homeowners are excited about using healthy, sustainable sheep’s wool insulation for new construction, and retrofitting existing homes and…

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Protect Yourself From Indoor Air Pollution Using Wool Insulation

October 12, 2017 by Andrew Legge 1 Comment

How Can You Protect From Indoor Air Pollution? We’re delighted to report that we have a guest blogger.  After reading our commentary Jackie contacted us…

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Prefab Home Expands Like Children’s Blocks

October 11, 2017 by Andrew Legge

  Proud to be apart of this type of forward thinking…. Wish you could expand the size of your home without breaking the bank? A…

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7 Steps for a Healthier Home

October 11, 2017 by Andrew Legge

As homeowners become increasingly aware of the impact their homes can have on the environment – and on their health – making eco-conscious choices such…

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This “Smart Wall” Can Create Healthier Spaces

October 2, 2017 by Andrew Legge

The Smart Wall Havelock Wool, a provider of wool insulation solutions, in partnership with 475 High Performance Building Supply, has introduced the “Smart Wall,” a smart…

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Southeast Green Podcast

August 25, 2017 by Andrew Legge

Our founder, Andrew Legge, spoke about the many benefits of Wool Insulation on Southeast Green’s Blog Talk Radio.

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IDEAL Window Installation

August 3, 2017 by Andrew Legge

You bought high-performance windows, but is the install going to complement their performance or detract from it? The enclosure insulation, airtightness and moisture control should…

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Wool Insulation is Kid Friendly

July 24, 2017 by Andrew Legge

Havelock Wool is changing the green building environment with their wool insulation that toddlers can snuggle. Havelock Wool is environmentally friendly and made completely out…

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Sheep’s Wool Insulation is Sustainable

July 17, 2017 by Andrew Legge

    Wool insulation, made from the remnants of sheering sheep, is increasingly finding its way into commercial and residential buildings across the world, in…

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How-To: Insulating Your Van

July 17, 2017 by Andrew Legge

Van Insulation Connect With The Havelock Flock  Insulation in a van is a bit more complicated than insulation in a house. For one, a van moves,…

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CNBC – We Are In A Small Business Hot Spot

July 11, 2017 by Andrew Legge

Andrew Legge, founder and managing partner of Havelock Wool, which makes home insulation out of sheep’s wool, produces it in a 50,000-square-foot factory in Sparks,…

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Sheep’s Wool Insulation in Uber-Eco Camper

May 19, 2017 by Andrew Legge

from Modern Camper It wasn’t long ago when nomads were roaming North America with nothing but the skin they could catch on their back. Same with…

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A dumb home needs a Smart Wall

May 12, 2017 by Andrew Legge

A   But designing the walls for a dumb home is not as simple as simply adding insulation; you have to be smart about managing…

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Sheep’s Wool: RV Insulation Of The Future?

May 10, 2017 by Andrew Legge 2 Comments

  When Kirkland, Wash.-based teardrop trailer manufacturer Homegrown Trailers wanted to boost the sustainability of its building materials, the RV maker did something innovative –…

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Smart Walls start with a Smart Insulation System

May 8, 2017 by Andrew Legge

  Archigram’s A Walking City, 1964: boundless energy & engineering anyone? For thousands of years buildings were made with a keen regard for nature and…

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Sheep’s wool insulation provides pollutant remediation

April 21, 2017 by Andrew Legge

Translated from airwool.com Increasing requirements for “low – emission buildings” (various building certificates with defined room air quality, especially with regard to VOCs and formaldehyde )…

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Building Technology Uses Wool for Better Health

April 12, 2017 by Andrew Legge

FORGET WALLS THAT TALK; BRING ON WALLS THAT BREATHE SAN FRANCISCO (April 11, 2017) — People are smart, and people breathe, but most of us…

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Kirkland Camper Finds Eco-Friendly Solution

March 28, 2017 by Andrew Legge

A Kirkland camper manufacturer has signed an agreement with Havelock Wool to insulate all of its eco-friendly trailers with sheep’s wool instead of foam board….

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Smart Wall Manifesto

March 16, 2017 by Andrew Legge Leave a Comment

The problem in today’s building materials market is not only large manufacturers, but consumer’s continually shocking inability to ask basic questions. By making low integrity products…

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New Wall System Developed Using Organic Wool Insulation

March 8, 2017 by Andrew Legge

      Originally published by the following source: Balcony Media Group(link is external) — February 28, 2017Unless otherwise noted, the content below has not been altered by SBC…

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Nature’s Choice For Home Insulation

February 17, 2017 by Andrew Legge

NEVADA COMPANY OFFERS ALTERNATIVE TO TRADITIONAL HOUSING INSULATION—NEW ZEALAND SHEEP WOOL Kaleb M. Roedel is a Reno-based writer At first glance, the photo is unsettling:…

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Insulating Homes With Sheep Wool

December 5, 2016 by Andrew Legge

By Lauren Shanesy HAVELOCK WOOL IS PIONEERING THE USE OF UNALTERED SHEEP’S WOOL AS AN ENVIRONMENTALLY-FRIENDLY AND RENEWABLE INSULATION MATERIAL FOR U.S. HOMES AND BUILDINGS Wool…

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Anyone interested in a solution to a huge problem?

November 29, 2016 by Andrew Legge Leave a Comment

We’ve spent enough time out of character – whinging and moaning about other forms of insulation. Admittedly, there was somewhat of a method to the madness…

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Healthier and Smarter Decisions in Homebuilding

November 19, 2016 by Andrew Legge

  What inspired Havelock Wool? I started Havelock Wool with another American who has a similar love for all things New Zealand. The farmers there…

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Indoor Air Pollution…This is Amazing

November 10, 2016 by Andrew Legge Leave a Comment

….if you know anything about formaldehyde, which apparently is not the case for most. Let’s solve that now: The National Toxicology Program (NTP) is formed from parts of…

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What Is The Story With Wool And Its Ability To Sequester CO2?

September 21, 2016 by Andrew Legge 4 Comments

The following facts pertain to the textile industry. Frankly, most studies on the subject relate to either carpets or fashion. We’ll add to the mix…

Filed Under: Wool Insulation

Cognitive Behavior And Green Building

August 30, 2016 by Andrew Legge Leave a Comment

The following is a summary from a recent meeting of the building health initiative group, sponsored by USGBC Norcal in San Francisco.  Thanks to Brenden…

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What Do Gymnasts And The Problems With Insulation Have In Common?

August 18, 2016 by Andrew Legge Leave a Comment

Below is an excerpt from a recent piece from our friends @greensciencepolicyinstitute.  They are on a mission to rid the world of halogenated bromide chemicals…

Filed Under: Wool Insulation

Efficient Wall Systems Are Getting Cooler

July 14, 2016 by Andrew Legge

High performance building is making more and more sense.  Our positions are clear concerning the span from disingenuous marketing dollars supporting garbage products to a…

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Who’s Up For A Few Facts On Insulation?

June 21, 2016 by Andrew Legge Leave a Comment

Ever had anyone invite you to check out his or her new fiberglass long underwear? We haven’t either! The following is an effort to share…

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We’re Not A Company With A Mission; We Are A Mission With A Company

June 10, 2016 by Andrew Legge Leave a Comment

Admittedly, our recent foray into the world of social self-promotion has been much more rewarding than expected. No one likes a pitch anymore than someone…

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Weak Laws And Weaker Governance Keep Toxic Chemicals

June 8, 2016 by Andrew Legge

We recently wrote about the broad public support for a petition to ban a class of toxic organohalogen flame retardants from consumer products. “Wait a minute,” you…

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Waste, According To Yale Or The EPA?

June 2, 2016 by Andrew Legge Leave a Comment

A Yale-led study reveals waste disposal rates are more than double EPA estimates. Waste creation and disposal figures have historically been based on information provided…

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Farm to Walls

May 17, 2016 by Andrew Legge

Join us on a quest to introduce the concept of Farm to Walls.  We are clearly believers that #naturedoesitbetter, thus we are entirely dedicated to…

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Wool Insulation… Let Nature And Longevity Prevail!

May 17, 2016 by Andrew Legge Leave a Comment

We’ve acquiesced and are putting our big toe into the social fray. Who knew insulation could be such an interesting concept. On its own it…

Filed Under: Wool Insulation

How Synthetic Materials Fuel A Home Fire Faster

December 23, 2015 by Andrew Legge

Tina Ware woke up early that morning to the sound of her smoke alarm. She had no idea how fast the fire would grow. Sparked…

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Havelock On the Passive House California Panel

May 22, 2015 by Andrew Legge

Who knew insulation might attract an audience? Perhaps the location and its aptitude to serve alcohol has something (read everything) to do with it!! Nevertheless,…

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Spray Foam vs Wool Insulation

May 15, 2015 by Andrew Legge

We’d like to share just a few photos how nice it can be to work with wool insulation verses spray foam. Which one would you…

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Havelock Wool Enters the Realm of Tiny Homes

April 30, 2015 by Andrew Legge

We are proud to have our product in the maiden project of Chris Pearson, who is constructing his first ‘Tiny Home,’ “as green as possible…

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Wool goes back to the Middle Ages

March 31, 2015 by Andrew Legge

As we ring in Lunar New Year and the Year of the Sheep it is appropriately coincidental to have recently visited Chipping Campden where in…

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Havelock Wool featured on Capital Public Radio

February 26, 2015 by Andrew Legge

Capital Public Radio stops by the Havelock Wool warehouse in Sparks, NV to chat with Co-Founder Andrew Legge about the growth and potential of New…

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SHAMELESS PLUG!!

February 24, 2015 by Andrew Legge

Shameless plugs are not our thing, though we did want to note a potential first.  The arrival of a highly coveted piece of art or…

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Havelock Wool On KTVN’s Channel 2 News

February 3, 2015 by Andrew Legge

Additional coverage of Havelock Wool on KTVN’s channel 2 News in Nevada. KTVN’s channel 2 News stopped by Havelock Wool’s warehouse in Nevada to find…

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Why Wool Is Always Better Than Synthetics

January 20, 2015 by Andrew Legge

In the early 1980s there were around 70 million sheep in New Zealand and 3.1 million people Read More

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New Avenue loves Wool more than the Rest…

January 16, 2015 by Andrew Legge Leave a Comment

“We Love Wool Insulation more than the rest…Spray Foam, Fiberglass, Cotton.” Read More

Filed Under: News

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