Showing results 201 - 300 of 1073
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Cement board (shown in dark grey) is installed behind an installed tub and shower surround.
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Clean taping areas and install 3" tape on vertical joint of upper insulation overlapping the horizontal joint
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Closed-cell spray foam insulation is added to the wall cavities of an existing exterior wall
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CMU construction can be reinforced with vertical rebar and horizontal steel reinforcement (left) or unreinforced (right), depending on structural requirements
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Collage showing air leak in existing porch wall with no air barrier and how air barrier was installed
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Completed wall retrofit of masonry home (on right) showing new lap siding attached over four inches of rigid foam; windows were boxed with plywood to accommodate depth of foam plus 1x4 furring strips
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Concrete is being poured into the wall forms made by the rigid foam insulated concrete form blocks.
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Concrete is poured into the rigid foam shell of the insulated concrete form (ICF) walls; a plastic water barrier has already been installed to protect the below-grade wall surfaces.
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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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Connecting hardware helps tie the roof to the walls to ensure a continuous load path to improve a building’s resistance to high winds, floods, and earthquakes.
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Connecting hardware helps tie the walls to the top plates and rim joists to ensure a continuous load path to improve a building’s resistance to high winds, floods, and earthquakes.
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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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Construct exterior walls with insulated concrete forms (ICFs) that provide insulation without thermal bridging, as well as air sealing, a drainage plane, and high structural strength.
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Construct exterior walls with structural insulated panels (SIPs) to provide an airtight wall with consistent insulation and very little thermal bridging.
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Continuous L-metal flashing integrated with underlayment at roof-wall intersections
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Correct seismic retrofit hardware for securing the sill plate to foundation wall
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Critical connections for providing a continuous load path in buildings and storm shelters
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Deep energy retrofit showing insulation sprayed on exterior of walls over existing siding
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Dense-packed blown fiberglass insulation completely fills the wall cavities with no gaps or voids.
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Detail for reinforcing a cripple wall to resist earthquake movement by installing anchor bolts and plywood reinforcement.
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Draft stopping and air barrier at tub enclosure − plan view
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Drywall is installed above the spacer board and drywall or another sheet good is installed below the spacer board to provide an air barrier on the exterior wall below the steps
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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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Durability concerns on a house continuously sheathed with a proprietary fiber structural panel used as bracing. Photo 1 of 2.
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Durability concerns on a house continuously sheathed with a proprietary fiber structural panel used as bracing. Photo 2 of 2.
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Each floor of this two-story modular home is constructed in a factory, including the 2x6, 24-inch on-center walls, R-21 fiberglass batt cavity insulation, and rigid exterior foam, housewrap, windows, and trim, then connected on site.
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East- and west-facing walls receive significantly more sun than north- and south-facing walls in the summertime
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End conditions for braced wall lines with continuous sheathing, Figure R602.10.7 in the IRC
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End wall failure under hurricane force winds due to inadequate bracing of the gable end wall.
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Example A of a gable truss and gable end wall bracing for a home in a hurricane region
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Example B of a gable truss and gable end wall bracing for a home in a hurricane region
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Example of masonry construction. Wall separated from building envelope due to inadequate vertical wall reinforcing in connection to horizontal tie-beam.
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Existing flat roof and wood-framed walls are retrofitted with a new fully adhered air barrier membrane plus polyisocyanurate rigid foam insulation and a roofing membrane water control layer
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Existing low-slope (“flat”) roof and brick masonry walls with a new fully adhered air barrier membrane plus polyisocyanurate rigid foam insulation and a roofing membrane water control layer
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Existing wall-to-lower roof transition retrofitted with a new strip of fully adhered air control transition membrane, new step flashing, new roof underlayment, and new cladding
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Existing wall-to-lower roof transition with a new strip of fully adhered air control transition membrane, new step flashing, new roof underlayment, and new cladding – view from eave
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Existing wall-to-lower roof with attic transition with a new strip of fully adhered air control transition membrane, new step flashing, new roof underlayment, and new cladding – view from eave
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Expanded polystyrene insulation is installed with joints taped and lath attached in preparation for the application of stucco
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Extension boxes of plywood built around the windows on this wall retrofit will be flush with the outer layer of exterior rigid insulation
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Exterior fiberglass insulation on this new home was (incorrectly) cut to terminate below-grade after backfill, which will expose the above-grade portions of the foundation wall to cold temperatures
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Exterior surface of below-grade walls finished as follows: For poured concrete, concrete masonry, and insulated concrete forms, finish with damp-proof coating
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Exterior surface of below-grade walls finished as follows: For wood-framed walls, finish with polyethylene and adhesive or other equivalent waterproofing
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Exterior XPS basement insulation is correctly installed to completely cover the foundation wall
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Externally insulated concrete slab-on-grade foundation with a turn-down footing, showing anchorage of the wall to the foundation for seismic resistance
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Externally insulated post-tensioned concrete slab-on-grade foundation wall with a turn-down footing showing anchorage of the wall to the foundation for seismic resistance
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Externally insulated post-tensioned concrete slab-on-grade foundation wall with a turn-down footing showing anchorage of the wall to the foundation for seismic resistance
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Failure of a freestanding concrete masonry end wall due to discontinuous tie-beam when exposed to hurricane force winds.
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FEMA recommends techniques like open lower wall cavities with exterior rigid foam insulation and paperless drywall for flood-resistant, dryable wall interiors.
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Fire barriers for ventilated wall cavities use thermally activated expansive materials to close off the ventilation space between the wall cladding and the sheathing during a fire while allowing air flow through the metal mesh during normal conditions
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Fire barriers for ventilated walls use heat activated intumescent expansive materials to close off the ventilation space between the wall cladding and the sheathing during a fire while allowing air flow through the metal mesh during normal conditions
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Firewall separation. Results from building corners being discontinuous with tie-beams.
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Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system
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Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system
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Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system
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Floor cavity air pressure is measured by placing a tube into the floor cavity through a small drilled hole
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Floor cavity pressure is measured by inserting a tube into the floor cavity using an extension pole
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Foil-faced rigid foam and spray foam can be used to insulate a basement on the interior; use good moisture management techniques to keep the basement dry
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Frame, insulate, and air seal the walls of the skylight shaft as you would an exterior wall
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Furring strips provide a mounting surface for siding over the smart house wrap membrane which serves as a drainage plane over cork insulation installed on the exterior of this home.
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Furring strips provide drainage gap behind lap siding; screen is added at bottom and top to prevent entry of insects and wildfire embers.
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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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Good water management practices like sloping grade away from house, and installing gutters, perimeter drain pipe, a capillary break, and free-draining soils or drainage mat protect the foundation from water saturation.