It is hot, getting hotter, in the summer, cold and incredibly snowy at times in winter and torrential rain seems to feature in the news…
healthy building
R-Value, U-Value and a Common Insulation Myth
In the insulation world, we all get caught up on R-Value, despite its shortcomings (of which we’ve written before). Another thermal performance measure worth attention…
Blown-in Insulation and Batt Insulation. What’s the difference? Updated June 2023
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…
The Truth about Thermal Conductivity
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…
The Global Supply Chain: A Havelock Perspective
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…
Unvented and Vented Roof Assemblies
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…
Installing Havelock Wool Insulation in a Vintage Airstream
This blog was written by Tom & Delmara of Ramona the Airstream. Back in the first weeks of our renovation in the demo phase we…
Wool is for Walls – Vans and Homes
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…
Did you know ducts are often lined with fiberglass?
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….
What does a whole house insulated with wool feel like?
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…
Exterior Insulation….it’s coming in hot, and not hot!
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…
Explaining the Surge in Home and Building Material Prices
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…
Installing Havelock Wool Insulation In A School Bus Conversion
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…
Indoor Air Quality in an Airtight Home
We recently wrote a piece about the importance of an airtight home. The core premise is that a structure that allows for air transport –…
Building Science – A Simplified and Useful View
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…
What is a takeoff and why is it important?
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…
An Airtight Home
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…
Wool insulation installation…. what’s the real deal?
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…
What is a Thermal Bridge?
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…
A Noteworthy View of the US Insulation Market
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…
Human-made mass now exceeds all living biomass
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…
What’s going on with Havelock’s backlog?
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…
Quick Update from Havelock Wool
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,…
The Wall System Evolution
Walls used to be walls. A simple protector from the outside – wind, rain, cold, heat… you know the elements. Primitively, they were porous and…
Wool Insulation Going Mainstream
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…
Home Improvement
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…
Energy Transfer 101
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…
Does your insulation store carbon?
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…
We’ve learned quite a bit in 7 years….time to share.
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…
The Havelock Wool LCA / EPD
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…
Havelock Wool is Mold Resistant
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…
Havelock Wool is Fire Resistant
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,…
Indoor Air Quality : Wool and Formaldehyde
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…
Hey Havelock…how is your LCA / EPD going?
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…
Havelock Wool Forging Ahead
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…
The Better Building Club
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…
The Importance of Indoor Air Quality
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…
Implementing Biophilic Design in Your Living Space
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…
How to Choose an Insulation Installer
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…
Insulation Terms….Make Informed Decisions
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…
What’s so cool about wool?
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…
Restoration and Insulation
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…
Stop Using Foam Insulation
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….
Vapor and Condensation – The nitty gritty (Updated April 2022)
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…
Aligned Interests
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…
Insulation Cost in Context (Updated May 2021)
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….
Borderline fun to install insulation
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…
Misaligned Interests : Today’s Insulation Installation Industry
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…
40% of Carbon Emissions Originate in the Built Environment
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…
A Quick Look at Havelock Wool Operations
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…
The Simple Path to Sustainable Building
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…
Does R-value even matter?
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…
Checking in on some residential insulation projects
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…
Embodied Carbon Network – Renewable Materials Discussion
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…
Insulation Measurement Doesn’t Need to be Complicated. The Easy Step-by-Step Process.
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…
A Few Proud Moments at Havelock Wool
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…
More Nature: It’s good for you, really good!
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…
If your house can’t breathe, what are you breathing? Rethinking moisture management
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…
What better high-quality building material is there than two age-old renewable resources: wood and wool
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…
The simple reasons for using Havelock Wool (and how to convince your spouse, builder, architect)
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…