Showing results 551 - 600 of 733
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The rough opening around this window is air sealed and insulated with nonexpanding spray foam.
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The seams in the plywood are taped seams in the cathedral ceiling serve as part of the advanced home sealing strategy.
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The tape is applied with even pressure to ensure the seams in the rigid foam sheathing are air sealed on this manufactured home.
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The thermal boundary for a gable roof can be located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic
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This aerosol sealant process seals off small leaks in the building envelope with tiny particles of nontoxic acrylic sealant that are sprayed into the air while the home is pressurized with a blower door kit.
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This air-sealing approach uses the wall drywall to isolate the corridor from the individual units in a multifamily building that has a truss floor structural system
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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 builder applied an air-sealing layer of spray foam along the underside of the roof deck and the inside of the walls before filling the wall cavities with blown cellulose.
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This digital manometer contains a pressure transducer used to determine pressure differences or flow rate for measuring air leakage in ducts; it is showing 72.92 cfm of leakage at 25 Pascals of depressurization of the ducts.
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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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This manometer is set up to show whole house air leakage with reference to the outside during a blower door test; the reading is showing 1,434 cfm of leakage when the home is depressurized to about 50 Pascals.
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This plan view shows compartmentalization of one floor of a multistory multifamily building; red lines are air barriers around vertical shafts and common areas; grey lines are air barriers between units; vestibules isolate elevators from corridors
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This typical dropped ceiling hallway chase shows a complicated air sealing scheme where chase ceiling drywall meets sidewall top plates
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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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To minimize air leakage through electrical boxes, the boxes were either wrapped with fire-resistant putty (required at fire-rated walls) or wire penetrations were foamed and the boxes were caulked to the drywall.
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To prepare for a total duct test at final, cover all of the supply outlets and return inlets
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To prepare for a total duct test at rough-in, cover all of the supply outlets and return inlets
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To seal a partition wall at the floor-exterior wall junction: a. install self-adhered membrane over subfloor, rim joist, and partition wall; b. construct walls of next floor, install more flashing over first flashing and up partition wall
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Typical installation of a double section modular home on a pier and ground anchor foundation
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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 a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition
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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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Use masking tape as a removable sealer to stop air from leaking around the return grille filter.
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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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Ventilation air comes directly from outdoors, not from adjacent dwelling units, garages, crawlspaces, or attics
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Vertical service shafts and trash chutes are isolated from corridors in multistory buildings by locating them within the vestibules
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When architects and builders think of the house as a systems, all of the parts are designed to work together for a healthy, durable home that minimizes builder callbacks while cutting energy, maintenance, and repair costs down the road.
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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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When wiring is installed in ICF walls, openings made for wire runs should be air-sealed with caulk.
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Where the interior wall intersects the corridor wall in this multifamily building, the first intersecting wall stud is sealed to the corridor wall along both sides; other seams and penetrations in the exterior wall are also sealed
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Whole house fans draw cool night-time air in through open windows and expel hot house air into the vented attic
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Wire hardware mesh is fastened with a staple gun and screws to the wall to prevent pests from entering the building through small holes and cracks
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