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Havelock Wool | Wool Insulation

Havelock Wool | Wool Insulation

Intelligent Insulation For Your Healthy Home

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healthy building

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

Installing Havelock Wool Insulation in a Vintage Airstream

July 28, 2021 by Philip Walsh 1 Comment

This blog was written by Tom & Delmara of Ramona the Airstream. Back in the first weeks of our renovation in the demo phase we…

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

Installing Havelock Wool Insulation In A School Bus Conversion

April 7, 2021 by BE Adventure Partners 2 Comments

When it comes to insulating a skoolie there are a lot of big opinions out there and for good reason. Throughout this article, we’re going…

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

An Airtight Home

February 4, 2021 by Philip Walsh 1 Comment

Building a healthy, high-performance home can be a daunting task. Advancements in building science have created many different approaches, techniques, materials, and yes, opinions on…

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

What is a Thermal Bridge?

January 21, 2021 by Philip Walsh 5 Comments

So you are ready to insulate your living space and R-Value is top of mind. And rightfully so, it is the most widely accepted measure…

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

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

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

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

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

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

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

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

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

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