Showing results 101 - 200 of 688
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Damp-proof below-grade concrete block walls by coating the exterior surface with parging and an asphalt emulsion or similar product.
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Design the roof, walls, foundation, and site to drain water away from the structure on all sides.
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Do not install carpet in areas that are likely to get wet, such as bathrooms, kitchens, entry ways, or laundry rooms.
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Do not install lumber, plywood, or other building materials that show visible signs of water damage or mold.
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Drainage and waterproofing system components in a basement, single perimeter drain system, footing detail
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Duct/pipe penetration with metal cap flashing and wood blocking for trim attachment
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Dune erosion caused by the combination of a hurricane and a nor’easter in Ocean City, New Jersey
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During drought periods, an integrated back-up system adds city water to maintain the Durable Energy home’s 11,500-gallon cistern at 25% capacity or more.
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Effectively manage below-grade water in urban sites to prevent moisture issues in new and existing buildings. This foundation wall has been waterproofed to prevent water infiltration.
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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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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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Extruded polystyrene (XPS) rigid foam is taped at the seams to provides a continuous air and weather-resistant barrier so no house wrap is needed; it also provides a continuous layer of insulation.
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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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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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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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Footing drain pipe is located exterior of the footings below the slab and is surrounded by washed stone and filter fabric.
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Furring strips are installed over a foil-faced rigid foam sheathing to provide a drainage plane and ventilation gap behind siding.
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Furring strips provide a ventilation gap between the coated OSB sheathing and the fiber cement siding.
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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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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.
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Green Coast Enterprises built this New Orleans home on piers so that the floor is 1 foot above the base flood level; borate treated framing and closed-cell spray foam insulation add to the home's moisture resistance.
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Gutters and downspouts direct rainwater down and away from buildings to keep building walls and foundations drier
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Heavy metal flashing protects the deck timbers and separates them from the wall at the wall-deck connection which is vulnerable to both ember entrapment and water damage.
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High winds pulled the asphalt shingles and sheathing panels off this coastal home, although storm shutters protected the windows
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Hot and cold water hose connections and valves are common sources of leaks at kitchen and bathroom faucets.
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House wrap is sealed at all seams and overlaps flashing to serve as a continuous drainage plane over the exterior walls.
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Ice dams form when warmth from the attic causes roof snow to melt and flow to roof eaves where it refreezes at the colder overhang and forms a buildup of ice causing more snowmelt to puddle where it can wick back through shingles and leak into the attic
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ICF bricks are stacked to form hollow walls that are reinforced with steel rebar before the concrete is poured in
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Improper flashing can allow rain water into walls, causing significant damage
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Improvised deflectors that are improperly integrated into the wall flashing and gutter are rarely sized to handle the volume of water that can run off the roof in a large downpour and they may contribute to water entry into the wall.
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In 2009 IECC CZ 5 and higher, install self-sealing bituminous membrane or equivalent over sheathing at eaves from the edge of the roof line to > 2 ft. up roof deck from the interior plane of the exterior wall.
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Individual metering or submetering of each unit allows residents to understand and better manage their water use.
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Inefficient irrigation methods can waste as much as 50% of the water used outdoors.
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Install all layers of the drainage plane to overlap, not underlap, to direct bulk water down and out of the wall.
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Install furring strips over house wrap to provide a rainscreen behind wood siding.
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Install insulating foam sheathing and tape all seams to serve as a continuous drainage plane behind the home’s cladding.
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Install self-sealing bituminous membrane or equivalent at all valleys and roof deck penetrations
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Install shingle starter strip then kick-out diverter; attach to roof deck but not sidewall
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Installation of an erosion control blanket to minimize soil loss on sloped ground that has no established vegetation
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Installation of the Self-Sealing Bituminous Membrane in Relation to the Drip Edge and Roof Underlayment
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Interior and exterior footing drains keep moisture away from the foundation. Spray-on water proofing helps the concrete foundation walls resist moisture.
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Intermittent water leaks have been injection sealed to prevent water infiltration into the foundation.
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