Spray Foam Insulation
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Closed-Cell Spray Foam for Sub-Slab Insulation
The pros and cons of using CCSF under a concrete slab
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How to Insulate a Short Attic Kneewall
Back in my home-performance contracting days (2004 to 2007), I spent a lot of time in unconditioned attics and crawlspaces. First, I was there to find problems. Then, if the…
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Does Spray Foam in the Attic Make It a High-Performance Home?
And can it ever be called "high-performance" if the attic insulation is only R-20?
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What Happened In This Roof?
After an unconventional spray-foam installation, stains appear on the side of the house
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Solar Jobs, Spray Foam, Wind Turbines, CFLs
A roundup of recent developments in green building
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How to Finish a Third Floor
A homeowner struggles with the details of turning a third-floor attic into livable space
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Does This Roof Need a Vapor Retarder?
The open-cell spray foam in the rafter bays provides an air barrier but not a vapor retarder
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Prepping for Spray Foam
Getting ready for a foam-insulation crew means doing a lot more than you’d think
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Spray Foam Insulated Homes Need Ventilation
Contractors who don't ensure adequate ventilation put themselves — and their customers — at risk
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Determining the Best Attic Option
Choosing between a conditioned or unconditioned attic hinges on the merits of spray foam insulation