Showing results 1 - 249 of 249
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2021 IECC Climate Zone 1A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade
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2021 IECC Climate Zone 1A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes)
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2021 IECC Climate Zone 2A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade
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2021 IECC Climate Zone 2A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes)
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2021 IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall-CMU Wall, Elevated Slab
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2021 IECC Climate Zone 2B: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade
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2021 IECC Climate Zone 2B: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes)
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2021 IECC Climate Zone 3A: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space
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2021 IECC Climate Zone 3A: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space (with notes)
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2021 IECC Climate Zone 3B: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space
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2021 IECC Climate Zone 3C: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space
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2021 IECC Climate Zone 4A: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade (with notes)
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2021 IECC Climate Zone 4A: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space
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2021 IECC Climate Zone 4B: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade (with notes)
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2021 IECC Climate Zone 4B: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space
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2021 IECC Climate Zone 4C: Vented Attic, 2x4 Wall, Interior Insulated Basement (with notes)
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2021 IECC Climate Zone 4C: Vented Attic, Exterior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 4C: Vented Attic, Exterior Double Wall, Interior Insulated Basement (with notes)
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2021 IECC Climate Zone 4C: Vented Attic, ICF Wall, ICF Basement Foundation (with notes)
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2021 IECC Climate Zone 4C: Vented Attic, Interior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 4C: Vented Attic, Strapped 2x6, Interior Insulated Basement
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2021 IECC Climate Zone 4C: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 4C: Vented Cathedral Ceiling, 2x6 Wall, Slab on grade (with notes)
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2021 IECC Climate Zone 4C: Vented Over-Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5: Vented Attic, 2x4 Wall, Interior Insulated Basement (with notes)
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2021 IECC Climate Zone 5: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5A: Vented Attic, Exterior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5A: Vented Attic, Interior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5A: Vented Attic, Strapped 2x6, Interior Insulated Basement
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2021 IECC Climate Zone 5A: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5A: Vented Over Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5B: Vented Attic, Exterior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5B: Vented Attic, Interior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5B: Vented Attic, Strapped 2x6, Interior Insulated Basement
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2021 IECC Climate Zone 5B: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5B: Vented Over Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5C: Vented Attic, Exterior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5C: Vented Attic, Interior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5C: Vented Attic, Strapped 2x6, Interior Insulated Basement
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2021 IECC Climate Zone 5C: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 5C: Vented Over Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 6: Vented Cathedral ceiling, 2x6 Wall, interior Insulated Basement
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2021 IECC Climate Zone 6: Vented Cathedral ceiling, 2x6 Wall, interior Insulated Basement (with notes)
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2021 IECC Climate Zone 6A: Vented Attic, Exterior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 6A: Vented Attic, Strapped 2x6, Interior Insulated Basement
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2021 IECC Climate Zone 6A: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 6A: Vented Over-Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 6A:Vented Attic, Interior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 6B: Vented Attic, Exterior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 6B: Vented Attic, Interior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zone 6B: Vented Attic, Strapped 2x6, Interior Insulated Basement
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2021 IECC Climate Zone 6B: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 6B: Vented Over-Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zone 7 and 8: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement (with notes)
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2021 IECC Climate Zones 7 and 8: Vented Attic, 2x4 Wall, Interior Insulated Basement
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2021 IECC Climate Zones 7 and 8: Vented Attic, Exterior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zones 7 and 8: Vented Attic, ICF Wall, ICF Basement Foundation
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2021 IECC Climate Zones 7 and 8: Vented Attic, Interior Double Wall, Interior Insulated Basement
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2021 IECC Climate Zones 7 and 8: Vented Attic, Strapped 2x6, Interior Insulated Basement
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2021 IECC Climate Zones 7 and 8: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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2021 IECC Climate Zones 7 and 8: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade
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2021 IECC Climate Zones 7 and 8: Vented Over-Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement
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A builder, energy efficiency consultant, and crew supervisor inspect a spray foam installation.
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A large bead of caulk is installed on the interior surface of the wall top and bottom plates to provide an air sealing gasket between the framing and the dry wall.
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A piece of siding is used as sill extension and to provide slope in the opening for the window, which is deeper because exterior rigid foam has been added
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Adding air-sealing and rigid foam insulation at the wall-to-overhanging floor juncture at the outside corner of an existing home
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Air seal the common wall between units in a multifamily structure to minimize air leakage.
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Air-seal above-grade sill plates adjacent to conditioned space to minimize air leakage.
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Air-seal drywall to top plates at all attic/wall interfaces to minimize air leakage.
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Gaps at shared common walls can be a significant source of air leakage in multi-family buildings
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IECC Climate Zone 1A: 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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IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall/CMU Wall, Elevated Slab
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In this gut rehab, drywall was removed then a sprayer-applied sealant was used to seal all large cracks and seams and then the 2x4 walls were filled with spray foam.
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Install a foam gasket along top plates before installing drywall
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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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Insulating sheathing is extended up to the roof rafters and sealed around the framing with spray foam as part of this exterior wall retrofit
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Insulating sheathing is installed on exterior of an existing framed wall with water control between existing sheathing and insulating sheathing
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Plan view of electric box installation in exterior wall showing flashing and air sealing details
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Retrofit of cantilevered foundation wall showing details at the inside corner for installing closed-cell spray foam in the wall and overhanging floor
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Retrofit of cantilevered wall showing details at the inside corner for installing air sealing and rigid foam insulation in the wall and overhanging floor
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Retrofit of cantilevered wall showing details at the outside corner for installing air sealing and rigid foam insulation in the wall and closed-cell spray foam in the overhanging floor
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Retrofit of cantilevered wall with beam showing details at the outside corner for installing air sealing and rigid foam insulation in the wall and overhanging floor
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Retrofit of cantilevered wall with beam showing details at the outside corner for installing air sealing and rigid foam insulation plus water control membrane in the wall and overhanging floor
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Right - A drywall gasket is installed along the top plate before installed drywall.
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Right - A termite shield and a sill gasket are installed between the sill plate and the foundation on a raised slab foundation.
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Right - An EPDM gasket is installed around an HRV duct installed in an exterior wall; 9 of 14.
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Right - Closed-cell spray foam insulation fills the wall cavities of the exterior walls in this home retrofit
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Right - External outlet wall penetration is flashed with tape that is properly layered with house wrap.
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Right - Mastic is being installed to air seal the wood-to-wood joints in this wall.
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Right - New flashing has been installed to complete the air and water control layers at the window openings of this wall retrofit that includes insulating the wall cavities with spray foam
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Right - Panelized walls came to site with house wrap and furring strips pre-installed; seams will be overlapped and taped on site.
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Right - Panelized walls came to site with house wrap pre-installed and ready to unfurl to cover foundation-to-sheathing seam.
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Right - Permeable rigid mineral wool insulation and appropriate water-management flashing details are integrated with new rigid foam siding to keep water away from the sill beam above the foundation wall
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Right - Seams in coated sheathing and joints around window are properly sealed and flashed with tape and all nail holes are covered with paint-on sealant.
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Right - Spray foam fills the walls and rim joists to air seal and insulate while caulk seals the framing joints.
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Right - Walls and ceilings shared by the garage and living space must be air sealed and insulated.
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Right – A bead of sealant will form an airtight gasket between the top plate and drywall.
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Right – all seams in the rigid foam were sealed with tape before installing the wire lathe for stucco.
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Right – Apply sealant around penetrations through foundation walls and along foundation wall seams
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Right – Closed-cell spray foam insulation in the shared wall between the garage and living space helps to air-seal the wall and protect occupants from garage pollutants.
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Right – Coated OSB provides a weather-resistant air barrier for this envelope of this home.
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Right – Every seam and nail hole in these garage-to-house walls is sealed with tape.
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Right – Spray foam insulates the walls and ceilings separating the garage from the home.
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Right – Spray foam is used to carefully seal behind plumbing that was installed in an exterior wall.
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Right – Spray foam was installed at the sheathing intersection as well as the sill plate to sub-floor connection.
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Right – Tape and spray foam are used to air seal around pipes that extend through exterior walls.
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Right – the 2x6 walls are insulated with a flash-and-batt approach that includes spraying the wall cavities with one inch of open-cell foam to seal the sheathing to the framing then filling the wall cavities with R-19 fiberglass batts that are compressed
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Right – The base of the wall is water proofed and the seam between the base of the wall and the sidewalk is air sealed.
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Right – The builder constructed a mock up of the wall assembly for this multi-family building.
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Right – The rim joists above the pre-insulated basement walls are sealed and insulated with spray foam to prevent air leakage at this juncture in the building envelope.
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Right – The sill plate was sprayed with foam prior to installation atop foundation.
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Right – The window header is filled with spray foam and sealant is used to air seal wood-to-wood seams; however, it would be preferable to design the wall to avoid so many stacked studs around the windows because they prevent wall insulation installation.
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Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.
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Right – This low-slope roof and parapet assembly has continuity of both the air and water barriers
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Right – Wiring holes in the exterior walls are sealed with canned spray foam to prevent air leakage into or out of the home.
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Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall
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Right-Wall-insulating sheathing is extended up to roof rafters and sealed around the framing with spray foam
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Section view of electric box installation in exterior wall showing flashing and air sealing details
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Spray foam provides a critical seal between the subfloor, rim joist, and sill plate
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The attic kneewall and the open floor cavities under kneewall are both sealed and insulated in one step with spray foam insulation
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The I-joist is continuous along the shared wall and serves as a natural air barrier between the garage and the house
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The missing top plate in a kneewall was covered with lumber and rigid foam insulation and then sealed with spray foam
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This basement is insulated on the exterior with rigid foam over dampproofing, with granular backfill and footing drains to facilitate drainage away from the foundation, a termite shield to protect from pests, and cellular PVC to protect the rigid foam.
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This exterior insulated slab-on-grade monolithic grade beam foundation is protected from pests by termite shield at the sill plate, borate-treated framing, flashing at end of wall insulation, brick veneer over slab-edge insulation, and rock ground cover.
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This exterior wall retrofit permits drying to the exterior of a sill plate installed on an untreated flat foundation wall
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This exterior wall retrofit permits drying to the exterior of a sill plate installed on an untreated irregular foundation wall
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This kneewall has no top plate and the resulting gap provides a wide-open pathway for air and vapor to travel between the living space and the attic
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Thorough air sealing is one way the Habitat for Humanity affiliate in Loudon County, FL, improves the efficiency and weather resistance of its homes.
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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and a fully adhered membrane seal at the top of wall-to-roof transition
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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and taped top edge of existing house wrap or building paper
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Unvented roof assembly at rake retrofitted with spray foam installed along the underside of the roof deck and extended to the rake edge to insulate and air seal the attic
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Use caulk or spray foam to air-seal all four edges of the blocking material in each joist bay.
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Vented roof assembly at eave retrofitted with rigid foam, spray foam, and fully adhered membrane to air seal the top of wall-to-roof transition
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Vented roof assembly at rake retrofitted with spray foam and additional insulation installed at the attic floor and extended to the rake edge
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When using I-joists, make sure to fill in the gaps on each side of the blocking material to air-seal the joist bay where a wall separates conditioned and unconditioned spaces.
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Wrong - Dark pattern on wall is showing where warm air is leaking into the wall cavity from interior of home.
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Wrong - Dark patterns on the Home's exterior siding show where warm air is leaking into the wall cavities.
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Wrong - Rigid insulation blocking is installed but not air-sealed with spray foam around edges.
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Wrong - The caulk is too far from the sill plate to effectively air-seal the gap.
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Wrong - The faced batt insulation does not provide an air barrier in the joist bay between the garage and the conditioned space of the home.
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Wrong - This is a poorly sealed chase with no solid air barriers along the sides of the chase and no caulk around the electrical wires installed through the ceiling of the chase.
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Wrong - Wall cavities behind shower are not completely filled with insulation and are lacking the solid interior air barrier.
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Wrong - When ceiling joists over a garage run perpendicular to the adjoining wall, the joist bays must be blocked and sealed to prevent garage fumes from entering the living space
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Wrong – An opportunity to use structural members as a natural air barrier was missed in this home and blocking was not initially planned for between the garage and living space.
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Wrong – Foam was sprayed at exterior sheathing and sill plate connection, leaving gaps beneath sill plate.
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Wrong – There is no foam gasket or air-sealing between the sill plate and masonry foundation.
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Wrong: Open wall cavities in the un-air-sealed return plenum connect the plenum to attic spaces
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Wrong: open wall cavity connected to this return air plenum is allowing cellulose attic insulation to be pulled into the furnace
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Wrong: The return plenum is not air sealed to separate it from the wall cavities and it should not be used for storage
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Wrong: This return air plenum is not lined and air sealed
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Wrong: This wall cavity is open to the attic allowing unconditioned, attic air to enter the HVAC system, bypassing the filter, and degrading system life and performance