Showing results 1 - 100 of 688
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A method for preventing waterproofing issues at the intersection of a concrete pier, concrete retaining wall, and concrete slab.
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An example of the water budget tool report for determining a home's landscaping irrigation needs.
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Impervious surfaces like patio slabs, sidewalks, and driveways that are within 10 feet of the home should slope away from the house.
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Place plants at least 18 inches from the building's walls and foundation and direct irrigation water to spray away from the structure.
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The “perimeter cutoff and dewatering” approach can be used to control groundwater in cases where the building foundation is below the groundwater table.
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A coated OSB product with taped seams covers the walls to serve as both sheathing and weather-resistant barrier.
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A common method of addressing significant groundwater leakage in the foundation is to line the entire foundation assembly, including the slab, with a drainage layer.
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A common method of addressing significant groundwater leakage in the foundation is to line the interior perimeter of the foundation with a drainage layer.
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A continuous layer of polyethylene covers the crawlspace floor and is attached to the wall with wood nailing strips
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A continuum of green (soft) to grey (hard) shoreline stabilization techniques used to mitigate the effects of erosion
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A dimpled plastic water barrier protects the insulated concrete form basement walls and carries any ground water down the walls to the footing drain to minimize the opportunity for water intrusion and frost heave.
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A dimpled rain mat and perforated drain pipe provide drainage around the basement foundation.
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A drainage plane is created behind lap siding by installing furring strips on the exterior walls over house wrap which is overlapped and taped at all seams to serve as an air and water barrier.
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A drywell, shown here used for downspout catchment, can also be used to receive water from a French drain.
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A French drain contains a perforated drain pipe wrapped in rock and landscape fabric.
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A layer of pea gravel or crushed stone, 4 inches thick and sloped 5%, provides a pest-resistant ground break around the perimeter of a slab foundation
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A layer of pea gravel or crushed stone, 4 inches thick and sloped 5%, provides a pest-resistant ground break around the perimeter of a basement foundation
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A liquid-applied water barrier covers the walls, serving as a drainage plane, air and vapor barrier, and secondary window flashing beneath the rigid foam that will be installed next.
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A mesh plastic rainscreen product separates the coated OSB from the siding, providing a drainage space and ventilation gap.
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A method for preventing waterproofing issues at the intersection of a concrete column, concrete slab, and concrete pier.
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A method for preventing waterproofing issues at the intersection of a concrete slab and a rock anchor.
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A method to ensure waterproofing continuity across the elevator pit of a multistory multifamily building.
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A moisture meter verifies that the moisture of the framing is below the recommended 18%.
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A paint-on flashing is used around the windows and doors for seamless water protection.
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A paint-on waterproofing covers the exterior and tops of the concrete block foundation walls and piers to block moisture moving up through the concrete, while foil-faced R-13 insulation lines the inside surface of the exterior walls.
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A permeable ground surface of crushed stone and vegetation helps control runoff on this small lot in the often rainy Pacific Northwest.
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A piece of siding is used as sill extension and to provide slope in the opening for the window, which is deeper because exterior rigid foam has been added
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A plastic fiber drainage mat rainscreen provides uniform support for the siding and allows moisture to flow horizontally and diagonally in addition to vertically.
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A plastic mesh rain screen is installed over the rigid foam to provide an air gap behind the exterior cladding allowing for drainage and drying.
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A push button operates the on-demand hot water circulation pump in this master bathroom.
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A roof drain is installed in an existing flat roof retrofitted with above-deck rigid foam insulation that is integrated with new air and water control layers
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A sprayer-applied waterproofing covers the grout-filled top course of concrete foundation blocks to prevent moisture migration from the ground into the framing.
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A storm water management system channels rainwater to retention chambers buried in the front yard.
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A strip of OSB sheathing is installed along the perimeter when retrofitting a flat roof with a parapet
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A swale and berm can be installed together across a slope to slow the downhill flow of water.
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A thoughtful landscaping plan can increase the beauty and functionality of outdoor spaces while reducing water usage.
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A water-resistant membrane that takes the place of house wrap is sprayed is painted over seams and window framing then sprayed over the entire wall to provide a weather-resistant air barrier.
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A WaterSense-labeled showerhead is tested to ensure a flow of ≤ 0.35 gallons in a 10-second test.
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Adding planted terraces to a sloped yard can slow down runoff and reduce erosion
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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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