Showing results 1 - 50 of 67
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Example of the advanced framing technique, double-stud wall cavity, which will later be filled with blown insulation
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Advanced framing details include corners that are constructed with fewer studs or studs aligned so that insulation can be installed in the corner.
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Advanced framing details include framing aligned to allow for insulation at interior-exterior wall intersections.
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Advanced framing details include open headers and reduced framing around windows and two-stud corners to allow more room for insulation in the wall cavities while reducing lumber costs.
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Advanced framing techniques including 2x6 walls spaced at 24 inches on center and ladder blocking at wall intersections allow more space for insulation in the wall cavities while open-web floor joists provide space between floors for ducting.
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After spraying the 2x6 wall cavities with 2 inches (R-13) of closed-cell spray foam, the walls are covered with netting and an additional 3.5 inches of fiberglass (R-13) is blown in.
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Attach the interior 2x4 wall to the exterior wall top plate with a flat metal connector plate
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Baffles will keep insulation out of the soffit vents and wind out of the insulation in this vented attic.
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Brick veneer framed wall supported by a concrete slab-on-grade foundation with a turn-down footing insulated on its top surface, showing anchorage of the wall to the foundation for seismic resistance
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Closed-cell spray foam insulation is added to the wall cavities of an existing exterior wall
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Construct a double wall consisting of two framed walls forming a wide wall cavity for more insulation in the home’s exterior walls.
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Drywall was removed and the existing 2x4 walls were filled with 3.5 inches of dense-packed cellulose. Outside, the ½-inch plywood was topped with house wrap, 1.5 inches closed-cell rigid foam, 1x3 furring strips, and fiber cement siding.
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Installing ladder blocking at interior-exterior wall intersections rather than three solid studs in the exterior wall as the supporting surface allows room for insulation in the exterior wall.
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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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Interior wall attached with top plate metal connector, drywall clips support drywall, plan view
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Interior wall attached with top plate metal connector, drywall clips support drywall, side view
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Ladder blocking where interior and exterior walls intersect uses less wood and provides more room for insulation than stacking studs in the exterior wall to nail the interior wall to.
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Ledger board, metal brackets, and vertical 2x4s have been installed in preparation for exterior spray foam in this retrofit exterior wall insulation technique
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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 - 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 - Spray foam fills the walls and rim joists to air seal and insulate while caulk seals the framing joints.
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Right – Full length 2x6 nailer has been installed to allow space for insulation at wall intersection
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Right – Ladder blocking allows the exterior wall to be insulated where intersected by an interior wall.
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Right – This home is framed with double walls – two 2x4 walls set next to each other then sheathed with OSB on the exterior and netted on the interior face to create an extra-deep wall cavity that can be filled with blown-in insulation.
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Single framed wall converted to double wall and insulated with closed-cell spray foam
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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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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 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 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.