Showing results 51 - 100 of 158
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In Coastal A Zones and V Zones best practice is to construct the home so the bottom support of the lowest floor is above the 100-year wave crest elevation.
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In high wind areas, provide lateral support to masonry end walls to resist high winds.
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In high-wind regions, special hardware is used for most framing connections; toe-nailing is not acceptable.
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Insulating a crawlspace foundation with “cripple wall” in warm climates; in Climate Zones 5+ replace the foil- or plastic-faced fiberglass batt/roll insulation with impermeable rigid insulation or closed-cell spray polyurethane foam
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Joist straps or hangers and metal connector plates can reinforce a post-and-pier foundation against seismic movement
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Key connection points for a continuous load path for earthquake and high wind disaster resistance
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Lower-story wall anchorage to masonry (or concrete) base. Straps properly nailed at wall studs.
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New Charleston, SC home's first level used as parking, storage, and access space
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Pest proofing of this unvented crawlspace includes a metal termite shield that extends out from the sill plate, metal flashing wrapping the bottom of exterior rigid foam, and a termite inspection gap above interior rigid foam.
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Pest protection measures include a termite shield under the rim joist and extending out on either side of the stem wall, insect screening under the furring air gap, and brick veneer to protect slab-edge insulation.
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Possible failure scenarios due to house sitting on poorly braced and secured cripple wall
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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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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 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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Repair leaks and cracks, and cover holes in foundation floors and walls to minimize water and vapor entry.
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Right - A continuous load path connects the roof and wall framing to the foundation.
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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 - The basement foundation is insulated on the exterior and termite shield extends out past the top of the insulation.
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Right – Air vents near the top of the crawlspace wall are not used as flood vents, and flood vents are installed close to grade
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Right – Examples of wall stud to sill plate and foundation and wall rod connectors and brackets.
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Right – House without gutters has waterproof liner, drain tile, and gravel bed extending more than 5 feet from foundation
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Right – Interior grade is elevated and flood vents are located slightly above interior grade
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Right – Notch cut into pile takes less than 50% of cross section, cut is treated with wood preservative, and beam is installed with corrosion-resistant bolts.
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Right – Rain barrel installed with an overflow spout terminating at least 5 feet from foundation
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Right – The drain slopes away from the foundation and terminates at the proper distance
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Right – The floor and wall system on this open-foundation home use rigid foam rather than fibrous cavity insulation to reduce risk of water damage.
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Right – The latticework between columns in this raised foundation will allow free flow of water in the event of a flood
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Right – The raised-slab, brick-and-block stem wall, above-grade walls, and roof of this house use flood damage-resistant materials, integrated water, vapor, and air control layers, and construction methods which promote good drainage and rapid drying
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Right – The raised-slab, CMU block stem wall, above-grade walls, and roof of this house use flood damage-resistant materials, integrated water, vapor, and air control layers, and construction methods which promote good drainage and rapid drying
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Right – The raised-slab, poured-concrete stem wall, above-grade walls, and roof of this house use flood damage-resistant materials, integrated water, vapor, and air control layers, and construction methods which promote good drainage and rapid drying
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Right – This column foundation has no HVAC equipment, piping, electrical components, or structural walls below the elevated floor system
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Right – This floor system on a column foundation is insulated using closed-cell spray foam rather than fibrous insulation
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Right-Flood resistant foundation walls lift the floor framing above the DFE and include flood openings to let flood waters pass through.
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Rigid foam provides the code-required insulation values for this floor and wall assembly so that fibrous cavity insulation can be avoided, reducing risk of floodwater damage
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