Showing results 501 - 600 of 1165
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Pier foundations, hurricane strapping, borate- and pressure-treated lumber, and high-density spray foam insulation help protect this New Orleans home from costal flooding and storms (Source: Green Coast Enterprises).
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Place first shingle and next section of sidewall flashing over upper edge of diverter
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Plan view of duct or pipe penetration through exterior wall showing flashing and air sealing details
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Plan view of electric box installation in exterior wall showing flashing and air sealing details
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Plan view of site and building location and identification of coastal flood hazard zones.
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Planting deep-rooted native grasses and shrubs on the banks of shorelines can help reduce the effects of erosion on sandy slopes
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Pleated blinds provide cooling savings in summer by blocking and reflecting sunlight, while allowing some diffuse daylight to pass through.
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Plywood or OSB panels are a cost-effective way to protect windows from wind-borne debris.
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Plywood or OSB shear wall panels help the wind to resist the compression, tension, and shear forces of high winds and earthquakes
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Poor installation can result in the loss of tile roofing in high wind regions, regardless of whether the tiles are attached with mortar, screws, nails, or foam adhesive.
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Porch roofs, pergolas, and large overhangs can effectively shade windows and doors facing south, southeast, southwest, or even due east or west for most of the day if the overhang is very deep and sufficiently wide.
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Porches and decks appear to be structurally sound after a hurricane despite damage to other portions of the houses.
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Porous surfaces like pavers allow water to pass through and percolate slowly into the soil
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Portable air conditioners offer flexibility with where they are located, but usually need to be installed near a window as they require one or two intake/exhaust ducts connected to the exterior
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Portable gasoline-powered generators like this one can power smaller emergency cooling and refrigeration loads
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Possible failure scenarios due to house sitting on poorly braced and secured cripple wall
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Preventative steps to take throughout the home to prepare for an earthquake or other natural disasters
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Probability that a flood will exceed the n-year flood level over a given period of time.
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Profile of an open/shallow pier foundation for riverine areas where an open foundation style is desirable and for buildings in Coastal A Zone where scour and erosion is limited.
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Proper gutter and downspout system terminates with final grade sloping away from the home
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Properly reinforce masonry walls in coastal locations to resist high winds and waves.
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Provide a continuous air barrier from the rigid foam below the crawlspace floor joists to the rim joist to the exterior wall above
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Provide flashing and sealing integrated with the air and water control layers for vents and other roof penetrations
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Provide structural supports that soffit panels can be nailed to at no less than 12 inches apart.
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Radiant heat energy from fires decreases with distance from the flames but is intense enough at close range to cause ignition.
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Radiant heat from wildfires can crack windows by heating the exterior surface (#1) causing it to expand and crack when exposed to wildfire.
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Raised-slab CMU foundation including flood-resistant features: sloped grade, damp proofed stem wall, capillary break under the slab (gravel or sand), vapor barrier under the slab and capillary break at the top of the foundation wall (polyethylene sheet)
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Recommended construction for homes in Zone B (areas of moderate flood hazard between the 100-yr and 500-yr flood) and Zones C and X (areas of minimal flood hazard above the 500-yr flood).
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Recommended flood resistant wall construction for concrete block walls with stucco or brick veneer.
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Recommended installation techniques for electrical and plumbing lines and other utility components in homes built on piers above the base flood elevation.
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Recommended tile and mortar placement for extruded concrete flat tile roofing system
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Recommended tree spacing for wildfire resistance within the three defensible space zones (Source: Preparing Homes for Wildfire
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Reduce the wildfire risks to decks by using closely spaced, heavy lumber decking and metal railings.
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Reduce thermal bridging in hot climate zones by using an intersecting exterior wall framing technique as shown here.
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Redundant moisture barriers including siding, house wrap, and coated sheathing can help protect walls from excess moisture, while vapor retarders prevent vapor from entering the wall from the house, for example from a bathroom or kitchen.
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Removable options for keeping sun off windows to minimize solar heat gain include awning, retractable and swinging shutters, interior or exterior curtains.
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Repair leaks and cracks, and cover holes in foundation floors and walls to minimize water and vapor entry.
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Residential glazing in wind-borne debris regions is required to resist test missile C or D; however, field investigations have shown that roof tile can penetrate shutters that comply with test missile D like this one, so test missile E compliant...
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Retaining walls can prevent erosion and landslides and maintain access to critical infrastructure
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Retention walls, permeable pavement, french drains, drywells, and ditches all help to divert, collect, and manage the flow of stormwater on a site.
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Ridges can be constructed and planted to slow the downward flow of water and stabilize slopes.
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Right – The ties are bent at a 90 degree angle at the nail head and embedded into the mortar joint at least 1.5 inches.
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Right – The ties are bent at a 90 degree angle at the nail head and embedded into the mortar joint at least 1.5 inches.
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Right - Covered porches protect the south-facing windows and doors of this building from solar heat gain.
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Right - A continuous load path connects the roof and wall framing to the foundation.
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Right - Aluminum accordion coverings are permanently installed and can be deployed quickly but must be manually closed from the outside.
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Right - Aluminum or polycarbonate panels attach to permanently mounted railings and require installation from the exterior.
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Right - An unvented attic with no soffit vents, borate-treated fascia board, metal drip edge, and concrete block construction on this south Florida home help make it resistant to hurricanes, pests, and wind-born wildfire embers.
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Right - Anchorage to increase the wind uplift resistance of outlookers forming the overhang at a gable end truss wall.
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Right - Automatic metal roller shutters are always in place and can be electronically or manually opened and closed.
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Right - Braced wall line spacing is correctly calculated for determining wall bracing in accordance with the IRC.
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Right - Continuous wall sheathing and blocking has been installed to brace the raised heel trusses.
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Right - Counterflashing tops a layer of step flashing which comes down above the asphalt shingle and a layer of L-shaped base flashing which comes down and extends below the shingle; the base flashing is adhered to the roof underlayment with mastic, shown
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Right - Dense vines growing on a covered trellis along the west side of this home provide effective shade for the wall and windows and create a shaded, protected walkway and outdoor seating area.
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Right - Engineered portal frames are used for wall bracing to resist wind and earthquake loads.
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Right - Flood resistant slab and crawlspace foundations elevate the floor above the design flood elevation.
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Right - Foil-faced polyisocyanurate insulating rigid foam sheathing is installed below the floor framing of this house built on piers; however, the seams should be sealed with metal taped and the plumbing elevated and protected.
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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 - Impact-resistant glass protects windows from wind-borne debris and is always in place, requiring no manual deployment during a storm.
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Right - In areas prone to costal flooding, elevate the bottom floor well above the design flood elevation.
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Right - In cooler climates, landscape shading should focus on the east- and west-facing walls, while leaving the south side of the house clear for solar access in winter (well-sized roof overhangs could provide summer shading for the south-facing windows)
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Right - In hot climates, paint flat roofs light colors to reflect solar heat gain.
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Right - Install backflow prevention devices on plumbing pipes to prevent wastewater from entering the home's plumbing system.
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Right - Leaf guards allow rainwater into the gutter but keep combustible debris out, increasing the home's resistance to wildfires.
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Right - Metal drip edge on this south Florida CMU home protects the top of the fascia and edge of the roof deck from water, wind-blown rain and embers, and insects.
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Right - Open-cell polyurethane spray foam to R-28 on underside of roof turns new attic into conditioned space for HVAC.
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Right - Panels of 7/16-inch treated plywood are inexpensive but take time to install and are difficult to install on higher windows.
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Right - Pieces of metal flashing are installed under each tile course along the valley centerline to prevent debris accumulation between and below concrete roof tiles.
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Right - Provide passive ventilation in hot climates by installing wind chases and vents.
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Right - Spray foam insulation has been sprayed onto the underside of the sloped roof and the gable end wall to provide a sealed, insulated attic for housing the HVAC ducts
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Right - Step flashing along a chimney is integrated in a layered manner with asphalt shingle roofing and topped with counterflashing that is embedded into brick mortar joint above
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Right - The basement foundation is insulated on the exterior and termite shield extends out past the top of the insulation.
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Right - The corrosion-resistant metal siding on this tiny house is fire resistant.
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Right - The duct shows redundant sealing including the caulk, tape, and flashing
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Right - The pipe penetration is properly flashed and furring strips are installed on each side in preparation for installing cladding