Insulation Materials

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On Site with Roxul

Hammer & Hand owner Sam Hagerman provides useful insights into the use of Roxul ... More

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Insulating with Spray Cellulose

An insulation contractor explains why he prefers damp-spray cellulose for wall... More

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Detailing a Superinsulated Slab

A less-expensive and energy-efficient foundation for a house More

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Working With Thick Layers of Exterior Insulation

JLC editor Clayton DeKorne reviews the latest Department of Energy guidelines on... More

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Island House Makeover — Insulating the Skin

In the teeth of a record-breaking winter, Thompson Johnson Woodworking wraps the... More

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Insulation Materials Instruction

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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. More

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Working With Roxul Insulation

Choosing insulation for a high-performance home in Northern Vermont requires... More

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Reusing Loose-Fill Cellulose

Working around existing attic insulation to seal air leaks may be more cost-effective than removing and replacing it More

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Fire Retardant in Spray Foam

Is it a potential health hazard? More

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Attic Insulation for Hot Climates?

Q: Builders in cold climates often go beyond code-required attic insulation levels... More

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