Showing results 701 - 800 of 1073
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Section view of electric box installation in exterior wall showing flashing and air sealing details
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Shear Strength Comparison Between a Foundation Stud Anchor (on left) and a Shear Transfer Angle (on right)
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Sheets of phase-change material are installed over the cellulose insulation to help even out interior temperatures.
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Side and plan views of window-to-wall interface in masonry wall retrofit including three layers of rigid foam exterior insulation, box extensions, and flashing around new windows.
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Side view showing air-sealing and rigid foam insulation is installed over existing wall and ceiling under a room above, then covered with new gypsum board.
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Side view showing how the existing garage wall and ceiling are air-sealed prior to installing rigid foam insulation on the garage side of the shared wall of an existing home.
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Siding has been removed so cellulose insulation can be dense-packed into the exterior walls of this home
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Single framed wall converted to double wall and insulated with closed-cell spray foam
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Single framed wall converted to double wall and insulated with closed-cell spray foam and loose-fill fibrous insulation
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Single framed wall converted to double wall and insulated with open-cell spray foam
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SIP panel walls are less susceptible to air leakage and convection issues than stick-built walls
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SIP panels should be stacked high, dry, and flat
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Solid wood blocking was installed in the walls to accommodate future grab bars in both bathrooms.
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Sources of heat gain in a house include solar gains, infiltration, conduction through walls and roof, occupants, and internal equipment
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Sources of heat gain in a house include solar gains, infiltration, conduction through walls and roof, occupants, and internal equipment
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Special molded corners provide continuous insulation layer at the corners to improve structural strength and minimize thermal bridging
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Spray foam extends down the inside of the foundation wall to the uninsulated slab; because the wall lacked exterior perimeter drainage, the slab was cut and an interior footing drain was installed.
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Spray foam is installed between new studs over the existing siding in this deep energy retrofit
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Spray foam provides a critical seal between the subfloor, rim joist, and sill plate
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Step 1. Apply roof underlayment over roof deck and up the sidewall over the rigid foam insulation
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Step 1. Remove the existing wall cladding to prepare to retrofit an exterior wall.
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Step 2. Install a continuous air and water control layer over the existing wall sheathing.
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Step 2. Install shingle starter strip then kick-out diverter as first piece of step flashing.
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Step 3. Apply urethane sealant around the duct or pipe in the retrofitted exterior wall.
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Step 3. Place the first shingle and the next section of sidewall flashing over upper edge of diverter
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Step 4. Install insulating sheathing and vertical furring strips on the retrofitted exterior wall; seal around pipe or duct with urethane sealant.
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Step 4. Install remaining sidewall flashing, appropriate counter flashing, and shingles
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Step 5. Apply self-adhesive flashing over top edge of the wall flashing, diverter, and rigid foam insulation
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Step 5. Install sheathing tape flashing over the duct or pipe and wood blocking on either side for later attachment of trim.
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Step 6. Install vent hood trim block, metal cap flashing; seal top edge of flashing with sheathing tape.
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Step 8. Attach the new cladding to the furring strips over the rigid foam for the exterior wall retrofit.
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Step and kick-out flashing at all roof-wall intersections extending ≥ 4 in. on wall surface above roof deck and integrated with drainage plane above
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Structural insulated panels offer a continuous layer of thermal protection and draft resistance around the home and come from the factory precut for fast assembly.
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Structural insulated panels provide a continuous layer of insulation sandwiched between two continuous layers of OSB for thermal protection and sturdy construction.
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Stucco is installed over rigid insulation, which is installed over a drainage plane consisting of a drainage gap and building wrap layer over the sheathing
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Stuff cavities under kneewalls with rolls of fiberglass batt and spray foam in place
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Tape horizontal joint with minimum 3" wide tape placing tape offset high on the joint, adhearing to the upper sheet without wrinkles
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Tape the joint between the top insulation sheet and the Z-flashing with 2" wide tape to improve air tightness
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Terminate 4" tape with 2" wide tape placing tape offset high on the joint, 2/3 of the tape should be adhered to the sheet of insulation
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The “institutional” perfect wall works in all climate zones; water, air, vapor, and thermal control layers are exterior of the sheathing, assembly allows drying to interior and exterior
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The 2x4 wall studs are staggered along the 2x6 sill plate providing space to weave insulation around each stud to stop thermal bridging through the wall.
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The advance-framed 2x6 24-inch on-center walls are covered with netting then filled with R-23 blown fiberglass.
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The attic knee walls were constructed from 2x6s and insulated with R-19 batt, backed with 1 inch of XPS foam board with taped joints to provide a solid air barrier over the insulated surfaces.
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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 back dam of the window sill will force water out
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The batt insulation shown here was properly installed to fill the ceiling cavities.
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The brick veneer lacked adequate ties to keep the brick from peeling off the wall in an earthquake.
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The builder in this very cold climate installed three layers of unfaced mineral wool batt in the double wall with a code-required vapor barrier between the middle and inner layers of wall insulation that is taped to barriers in the ceiling and floor.
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The builder leaves a half inch gap between the exterior and interior walls so drywall can be slid between the two.
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The builder staggers 2x4 studs on 2x6 top and bottom plates which provides gaps to fill in insulation around the framing for a continuous blanket of insulation.
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The builder was able to pack R-41 of blown fiberglass into the wall cavity formed by the double stud walls.
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The components of a framed wall include from inside to out: gypsum, wood studs, OSB or plywood sheathing, and siding.
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The cripple wall hiding the post-and-pier foundation of this wood framed house toppled when the house was shifted partially off its piers by an earthquake
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The cripple walls in this home gave way in the 1994 Northridge Earthquake, causing the walls to partially collapse.
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The double walls form a 12-inch cavity that was sheathed with a coated OSB then coated with 3 inches of closed-cell spray foam; they will be filled with 9 inches of blown fiberglass.
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The double-wall construction results in thick window sills which builder market as an architectural feature.
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The energy-saving double wall construction uses two side-by-side stud walls, providing an extra-thick wall cavity that can be filled with more than twice as much insulation as a 2x6 wall.
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The exterior walls are double walls consisting of two 2x4 stud walls set 3 inches apart to form a 10-inch-thick wall cavity that is filled with blown-in fiberglass to provide a continuous R-40 blanket of insulation around the home.
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The floor cavities under this attic kneewall are completely open to the unconditioned attic space and a prime target for wind washing
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The flush cut method for seismic retrofit bracing of a cripple wall allows the plywood sheathing to be attached directly to both the cripple studs and the notched section of the mudsill
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The foam-filled concrete block walls are lined on the interior side with foil-faced rigid foam then topped with furring strips for attaching drywall.
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The Habitat affiliate makes its own “ICF” foundation walls with rigid foam held in place with wood spacers.
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The home’s first-floor walls are constructed of insulated precast concrete panels that are set in place on a gravel bed.
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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 ICF consists of foam forms that are held in place with plastic or metal spacers and reinforced with metal rebar
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The Larsen-truss 9-inch wall cavities were covered with a smart vapor membrane that was fastened to the trusses with furring strips, which also provide an air gap behind the wood siding; each truss cavity is then filled with blown cellulose.
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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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The OSB roof decking product comes with an adhered radiant foil barrier which helps to prevent heat transfer in or out of the vented attic, while R-13 unfaced fiberglass fills the advanced-framed 2x6 walls.
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The OSB sheathing is coated and taped at the seams to provide a weather-resistant barrier that can take the place of house wrap.
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The Perfect Wall includes water, air, thermal, and vapor layers with continuous insulation exterior of the sheathing to reduce the condensation potential in the wall.
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The reverse block method for seismic retrofit bracing of a cripple wall uses a 2x4 attached to the sill plate to provide a means to attach the plywood cripple wall sheathing to the sill plate
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The rim band connecting the insulated precast concrete basement walls to the floor joists above is spray foamed to provide air-sealing and insulation in this hard-to-seal juncture.
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The rim joists and top plates are air sealed and insulated with open-cell spray foam while the walls are filled with blown fiberglass.
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The sheathing has rotted because there was not a sufficient drainage gap behind the stucco cladding
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The use of blown-in fiberglass insulation allows the double wall cavity to be filled in completely with no voids that could create cold spots in the walls.
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The wall behind the fireplace is an exterior wall and requires a thermal barrier that is continuous with the rest of the wall’s insulation
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The wall’s concrete blocks are filled with foam and covered with an interior continuous thermal blanket of rigid foam insulation.
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The walls and ceilings of this post-and-beam home are filled with netted blown fiberglass.
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The walls and floors of this modular home were constructed in a factory and are brought to the site already insulated and ready for quick assembly.
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The walls of this mixed-humid location home are constructed with moisture-resistant steel-framed expanded polystyrene R-34 wall panels that are designed to withstand winds up to 200 mph and level D seismic forces.
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The water-resistant barrier, weep screed, and stucco lathe are not properly layered
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The water-resistant barrier, weep screed, and stucco lathe are properly layered and will create a complete drainage system
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The weep holes are spaced at the correct distance to provide a complete drainage system