Sound Absorption

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… Read More

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.… Read More

Vapor and Condensation – The nitty gritty

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… Read More

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… Read More

A Quick Video : Installing Batt Insulation

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”… Read More

Insulation Cost in Context

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.… Read More

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… Read More

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… Read More

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… Read More

Does R-value even matter?

What is R-value? Put simply, R-value is a metric used to judge thermal insulation performance. It’s expressed as a number and the higher the R-value,… Read More

Why Wool in 100 Seconds

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… Read More

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… Read More

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… Read More

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… Read More

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… Read More

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… Read More

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… Read More

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… Read More

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… Read More

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… Read More

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… Read More

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

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… Read More

Havelock Wool Podcast

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… Read More

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

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… Read More

We need action, not more science and data!

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… Read More

Anyone Contemplating Foam Insulation Needs To Read This Post

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… Read More

Havelock Wool Podcast

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… Read More

Hug an Architect

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… Read More

Common Misconceptions About Insulation

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… Read More

Vapor Barriers: Do they belong in your home and does your architect or builder actually know best?

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… Read More

The Baaahs and The Bees

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

A Palette for Architecture 2030

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?… Read More

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

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… Read More

A Happy Customer’s Review

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… Read More

Wool Insulation vs. Ecobatt

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

Is Common Sense Becoming More Common?

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… Read More

A Mother’s Journey

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… Read More

What is a Building Envelope?

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… Read More

Is Wool For Insulation a New Thing?

“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… Read More

Is Competition Always a Good Thing?

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… Read More

Protect Yourself From Indoor Air Pollution Using Wool Insulation

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… Read More

Smart Wall Manifesto

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… Read More

Anyone interested in a solution to a huge problem?

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… Read More

Indoor Air Pollution…This is Amazing

….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… Read More

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

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… Read More

Cognitive Behavior And Green Building

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… Read More

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

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… Read More

Who’s Up For A Few Facts On Insulation?

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… Read More

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

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… Read More

Waste, According To Yale Or The EPA?

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… Read More

Wool Insulation… Let Nature And Longevity Prevail!

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… Read More