Rigid Foam- Page 3 of 6
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Choosing Rigid Foam
Knowing when to use polyisocyanurate, expanded polystyrene, and extruded polystyrene
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Exterior Rigid Foam on Double-Stud Walls Is a No-No
This type of wall needs to dry to the exterior, so in most cases it shouldn’t have any exterior rigid foam
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Installing Windows In a Foam-Sheathed Wall
Advice on fastening and flashing details for both innie windows and outie windows
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How to Install Rigid Foam on Top of Roof Sheathing
This type of insulated roof assembly limits thermal bridging through rafters
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Walls With Interior Rigid Foam
When remodeling an older home, it sometimes makes sense to install rigid foam on the interior side of exterior walls
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Foam Shrinks, and Other Lessons
What we learned from updating a 16-year-old deep-energy retrofit
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Polyethylene Under Concrete Slabs
Does the poly vapor barrier belong above the rigid foam or below the rigid foam?
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Part 3 of GBA’s Passivhaus Video Series
“Superinsulated Slab” is the third episode in a series of videos on the construction of a Passivhaus in Falmouth, Massachusetts
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Passive House video — Episode 3
In “Superinsulated Slab,” the third episode in a series of videos on Passivhaus construction, the crew installs 10 inches of rigid foam. After the concrete was placed, more rigid foam was installed above the slab. The finished floor assembly is rated at R-50.
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This House is Assembled With a Screw Gun
A French design firm shows off a house prototype Passivhaus structure made from blocks of foam and laminated veneer lumber