Insulation

Will Open-Cell Spray Foam Insulation Really Rot Your Roof?

It's a good question that’s been raised in multiple reports written by green building experts and scientists. The answer? It won't rot your—or your customer's—roof so long as it’s installed correctly. Here's the science behind the answer. Read more

HVAC: Can Anyone Get It Right?

Recent experiences with contractors and tradespeople have left green building expert Carl Seville frustrated. Too often he sees poor craftsmanship and little attention to detail. Here's what he suggests you focus on to get it right and avoid the mistakes inexperienced installers make. Read more

Thermal Break for a Cathedral Ceiling

Is it possible to create a thermal break by fastening a layer of rigid foam to the underside of the joists before hanging the drywall? An expert says yes, but it's not the ideal way to create a thermal break. Read more

Creating a Palette of Foam-Free Superinsulation Details

There’s more than one way to build a highly insulated, air-tight house--or to tighten up and super-insulate an existing home. Here’s a look at an evolving array of superinsulated details that don’t use spray foam. Read more

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Who's on Your Insulation Crew?

What's the best way to assure an insulation installation gets done properly? Put some of your best and brightest workers on the job. Here's how that made a difference for one modular home maker. Read more

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IBS Take-Aways: Insulated HousewrapIBS Take-Aways: Insulated Housewrap

Lauren Hunter, Chief Products Editor for Hanley Wood and Matt Risinger, Principal... Read more

Attic Insulation for Hot Climates?

Builders in cold climates often go beyond code-required attic insulation levels, especially when using a relatively inexpensive material like blown-in cellulose. Is the same approach helpful in cooling climates? Read more

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Should Your Clients Insulate Their Cold Water Pipes?

Insulating cold water pipes may seem like nonsense, but there are a few really good points as to why it should be done. The most important reason is to prevent pipes from freezing, especially if you live in a cold climate. Here are a few other reasons as to why your clients should consider insulating all their cold water pipes. Read more

Why R-value Math Doesn't Always Add Up

Adding up the R-Value of insulation combinations may seem simple enough, but the basic math may not add up properly in reality. In this article, building science experts battle it out over whether it's best to stick to the codes or get creative. Read more

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