Showing results 51 - 100 of 688
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An engineered bioswale uses perforated pipe laid in rock and landscape fabric at the bottom of a vegetated trench to direct water away from a site.
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An erosion control blanket protects the slope from erosion and provides favorable conditions for bank revegetation
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An exhaust fan pulls damp air out of a retrofitted sealed crawlspace while drawing in dry air from the living space
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An on-demand hot water pump speeds water delivery to the low-flow plumbing fixtures for significant water and energy savings.
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An uninsulated (or existing insulated) basement slab is retrofitted to reduce moisture transmission by sealing with epoxy paint.
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Any holes through the vapor barrier installed over the basement floor slab are thoroughly sealed as part of the foundation water barrier system.
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Apply self-adhesive flashing over top edge of the wall flashing, diverter, and housewrap
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Backflow prevention devices keep water and sewage from entering the home during a flood preventing damage and health and safety issues.
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Basement plan showing sump pump location and perimeter drain that empties to the sump pit
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Because the above-grade potions of the wall lack exterior insulation, condensation and even ice form during cold winter conditions
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Before installing the windows, the window rough openings are sealed with a liquid-applied flashing that provides a seamless moisture and air barrier to protect the wall from water intrusion.
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Before sealing and insulating the crawlspace, the windows were sealed, the window wells backfilled, and sumps pumps were installed that discharged to the gutter downspouts
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Berms are compacted earth or gravel ridges that slow the flow of water from rain, riverine flooding, or storm surges in coastal areas.
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Berms, swales, bioswales, ridges, and vegetation all help to control rainwater runoff on residential sites.
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Bioswales or rain gardens filter storm water through vegetation and rock and sand substrate layers.
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Bioswales receive rainfall and filter it through different substrate layers, preventing flooding and storm surges from occurring
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Blocking installed on a flat roof for a PV system rack is sealed around the edges with sealant then will be covered with self-adhering roof membrane to prevent water leakage
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Brick wall assembly for a hot-humid climate with no Class I vapor retarder and with an air gap (drained cavity) to dissipate vapor driven into the wall by the sun.
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Building perimeter detail view of the recommended approach for groundwater management in cases where the foundation is entirely above the groundwater table.
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Buoyancy force on dry floodproofed homes with deep basements leads to possible foundation damage
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Capillary break at all crawlspace floors using > 6 mil polyethylene sheeting, lapped 6-12 in., and secured in the ground at the perimeter using stakes
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Capillary break at all crawlspace floors using ≥ 6 mil polyethylene sheeting, lapped 6-12 in., and lapped up each wall or pier and fastened with furring strips or equivalent
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Capillary break at all crawlspace floors using ≥ 6 mil polyethylene sheeting, lapped 6-12 in., and placed beneath a concrete slab
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Capillary break beneath all slabs (e.g., slab on grade, basement slab) except crawlspace slabs using either: ≥ 6 mil polyethylene sheeting lapped 6-12 in., or ≥ 1 in. extruded polystyrene insulation with taped joints
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Cement board (shown in dark grey) is installed behind an installed tub and shower surround.
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Check the moisture content of wall materials to ensure materials are dry before enclosing walls with drywall and siding.
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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 foam is sprayed into roof cavities along the masonry parapet wall to form a continuous air barrier between the wall and the sheathing of the flat roof
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Closed-cell spray foam fills the roof joist cavities forming an air barrier between the masonry parapet wall and the roof sheathing
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Comprehensive above-grade water management details for a crawlspace foundation include a capillary break over the crawlspace floor, slope the surface grade away, installing gutters that slope away, and capillary break under sill plate.
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Comprehensive water management features include a capillary break (≥ 6-mil polyethylene sheeting) at all crawlspace floors
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Concrete (4 inches thick at 5% slope) provides a pest-resistant perimeter around the foundation
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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 pavers set in 4 inches of sand provide a pest-resistant ground break at the building perimeter.
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Continuous L-metal flashing integrated with underlayment at roof-wall intersections
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