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  • Why Do We Build Houses?

    Why Do We Build Houses?

    By Andrew Legge

    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 cycle now more than ever....

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  • R-Value, U-Value and a Common Insulation Myth

    R-Value, U-Value and a Common Insulation Myth

    By Philip Walsh

    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 is U-Value, a close...

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  • A Tale of Two Climates

    A Tale of Two Climates

    By Philip Walsh

    Yestermorrow implements Havelock Wool in Vermont and Utah Editor’s Note… The Yestermorrow Design Build School is one the coolest places to learn how to build healthy, high-performance structures. We r...

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  • What’s New at Havelock Wool

    What’s New at Havelock Wool

    By Andrew Legge

    We’ve been hard at work making additions to our product line that address the needs of the trade, which we loosely define as architects, builders, and commercial installers. Though we...

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  • Who Can Install My Havelock Wool?

    Who Can Install My Havelock Wool?

    By Philip Walsh

    We get this question a lot. The immediate answer is “You can!” We’ve gone to great lengths to make our insulation DIY friendly, especially our blown-in product. We’ve got a...

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  • Real People, Real Wool, Real Walls

    Real People, Real Wool, Real Walls

    By Philip Walsh

    Our friend Jon insulates his workspace in the mountains of western North Carolina Havelock Wool Blown-In Insulation in Action Jon, what’s the background on this project? We live in the...

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  • Blown-in Insulation and Batt Insulation. What’s the difference? Updated June 2023

    Blown-in Insulation and Batt Insulation. What’s the difference? Updated June 2023

    By Havelock Wool

    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 each and we wanted to...

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  • Common Applications for Havelock Wool

    Common Applications for Havelock Wool

    By Philip Walsh

    You asked, we listened. Here are detailed architectural drawings for some common applications for Havelock Wool insulation in your home. To produce these drawings, we worked closely with our good...

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  • Wool Innovation with Sonoma Wool Company

    Wool Innovation with Sonoma Wool Company

    By Philip Walsh

    We’re not the only company that loves wool and understands its advantages over synthetic, man-made products. Amy Chesnut and her team at Sonoma Wool Company are true wool experts and...

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  • How do I insulate my crawl space?

    How do I insulate my crawl space?

    By Andrew Legge

    This question has always been a tough one and coincidentally it has been a hot topic lately. We’ve received multiple calls in the last few weeks from varying climate zones...

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  • Moderate Energy Retrofits

    By Philip Walsh

    As a building material company, we attend some pretty cool industry conferences. These are typically in-depth events designed for trade professionals like architects, builders, and designers. We often...

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  • Sustainable Building Science in Action

    Sustainable Building Science in Action

    By Philip Walsh

    If sustainable building science is your guide, how would you build? One clear example is the Vali Homes Mews project in Phoenix Arizona. A Bit of Background We’ve known Lucas...

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