Rigid Foam
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How to Talk to Contractors About Exterior Insulation
Information and resources to share with general contractors to convey the value of "outsulation"
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The Ratio Rule for Hybrid Roof Insulation
Ensuring the right combination of R-values above and below a roof deck
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Building a Budget-Friendly Unvented Cathedral Roof
To lower the cost of roof insulation, plan ahead
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Persistent Worries About Exterior Rigid Foam
Why do some builders foresee problems for foam-sheathed walls?
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Three Ways to Insulate a Basement Wall
For interior insulation, you'll need to use either rigid foam boards or spray polyurethane foam
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A Buyer’s Guide to Insulation
Is there a "best" kind? It all depends on your point of view.
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FAQ: Why Do Some Builders Avoid Foam Insulation?
Its chemical ingredients and embodied carbon are enough to push some builders to make another choice
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Insulating Rim Joists
Use rigid foam or spray foam, not fiberglass or mineral wool
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New Rockwool Plant Divides a West Virginia Community
Backers welcome new jobs, but other locals fear pollution will spoil air and water
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Installing Rigid Foam Above a Concrete Slab
You can sandwich rigid foam between an existing concrete slab and new plywood or OSB subflooring