Showing results 51 - 100 of 265
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Floor cavity air pressure is measured by placing a tube into the floor cavity through a small drilled hole
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Floor cavity pressure is measured by inserting a tube into the floor cavity using an extension pole
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Framing is sequenced to install an air barrier of OSB, plywood, or rigid foam between the porch and the attic.
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Heat loss through the roof of a home in a cold climate zone leads to snow melting to form ice dams.
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High-density closed-cell spray foam insulates the attic of this home in New Orleans.
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ICF walls and an attic sealed and insulated to R-63 on the underside of the roof deck with 10 inches of open‐cell spray foam plus 2.7 inches of closed‐cell spray foam provide a complete thermal break around this home.
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IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall/CMU Wall, Elevated Slab
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IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall/CMU Wall, Elevated Slab
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In cathedral ceilings, parallel chord trusses allow thicker insulation levels over the exterior wall top plates.
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In the attic, all of the top plate seams are sealed with canned spray foam before covering the ceiling deck with blown fiberglass.
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Infrared imaging shows cold conditioned air pouring out of the open floor cavities under this attic kneewall into the hot unconditioned attic
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Install a continuous air barrier below or above ceiling insulation and install wind baffles.
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Install insulation under platforms constructed in the attic for storage or equipment.
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Install wood framing cross pieces in the attic rafter bays on each side of the duct chase
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Install wood framing cross pieces in the attic rafter bays on each side of the duct chase
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Limited attic access can make inspections for missing air barriers and insulation challenging
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Limited attic access may make it necessary to use a bore scope when inspecting for missing air barriers and insulation in existing buildings.
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Low-slope roof assemblies constructed of two deck sheathing layers sandwiching rigid foam, and topped with mechanically fastened membrane
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Mold on the sheathing in this attic occurred after attic ventilation was increased
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One way to air seal and insulate kneewalls – add insulation and a rigid air barrier along roof line of unconditioned attic space outside kneewall
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Radiant barrier sheeting can be stapled to the underside of the rafters or along the inside edge of the rafters
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Raised ceiling chase sealed with drywall mud
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Raised ceiling duct chase installation technique
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Raised heel energy trusses extend past the exterior wall and are deeper at the wall allowing room for full insulation coverage over the top plate of the exterior walls.