Showing results 201 - 250 of 415
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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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Larsen trusses made of 9-inch I joists, set perpendicular to the exterior wall at 16 inches on center, provide a second wall cavity that can be filled with blown insulation, greatly increasing the insulation value in the walls.
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Lay out the rigid foam sheathing joints so they do not align with the window and door edges
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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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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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Masonry wall interior retrofit with fluid-applied water control layer and wood-framed wall with cavity insulation (climate zones 1-4 only)
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Masonry wall interior retrofit with fluid-applied water control layer, mineral wool rigid foam, and wood or metal stud service cavity (climate zones 1-4 only)
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Masonry wall interior retrofit with fluid-applied water control layer, spray foam, and wood or metal stud service cavity
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Masonry wall interior retrofit with parge coat, fluid-applied water control layer, mineral wool rigid foam, and wood or metal stud service cavity (climate zones 1-4 only)
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Masonry wall interior retrofit with parge coat, fluid-applied water control layer, rigid mineral wool, wood-framed wall with cavity insulation, smart vapor barrier, and wood or metal service cavity
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Masonry wall interior retrofit with parge coat, fluid-applied water control layer, spray foam, and wood or metal stud service cavity
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Masonry wall interior retrofit with parge coat, fluid-applied water control layer, wood-framed wall with cavity insulation, smart vapor barrier, and wood or metal service cavity
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Masonry walls can be insulated with rigid foam insulation attached to the interior face of the concrete block as shown here.
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Mineral wool batts are precisely cut to fit around electrical boxes in the wall cavities, preventing cold spots in walls.
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Moisture levels are checked in the blown cellulose insulation before enclosing the walls.
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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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Over the taped rigid foam board, 2x4 furring strips provide a ventilating air gap and drainage plane under the engineered wood lap siding. The furring strips were attached with structural screws to provide an attachment surface for the siding.
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Plan view (from above) showing how the existing garage wall gypsum board is cut away to air-seal the shared wall before adding rigid foam insulation on the garage and exterior walls of the home.
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Plan view of exterior masonry brick wall retrofitted with furring strips, three layers of rigid foam insulation staggered and taped at the seams, and 1x4 furring strips to provide a nailing surface and ventilation gap under lap siding
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Plan view of exterior masonry brick wall retrofitted with furring strips, three layers of rigid mineral wool insulation staggered and taped at the seams, and topped with metal hat channel providing a ventilation gap surface to nail under the lap siding
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Polyethylene completely covers the floor of this crawlspace and is attached to the walls and piers as well
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Polyethylene is being attached to the crawlspace floor and walls with plywood furring strips
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Proper flashing around windows is especially important when the rigid foam serves as the drainage plane in the wall
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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 - Basement slab with a capillary break of either gravel or a drainage mat.
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Right - Closed-cell spray foam covers the interior of the foundation wall and wall framing is placed to the inside of the spray foam.
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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 - Closed-cell spray foam is installed as a skim coat to provide air tightness to an exterior wall cavity before installing batt or blown cavity insulation.
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Right - Closed-cell spray foam is used to retrofit an existing rubble basement foundation wall.
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Right - Closed-cell spray foam was applied to the interior of a foundation wall.
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Right - Foil-faced polyisocyanurate rigid foam is attached to the existing exterior wall with vertical wood furring strips
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Right - Furring strips were installed with blocking to allow adequate room for 4 inches of mineral wool.
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Right - Ladder blocking allows insulation to be installed in exterior walls at interior-exterior wall intersections.
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Right - Mineral Wool insulation is installed on the exterior of wall with furring strips.
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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 - Precast concrete basement walls come to the site with integrated rigid foam insulation and steel-faced concrete studs.
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Right - Spray foam fills the walls and rim joists to air seal and insulate while caulk seals the framing joints.