Showing results 101 - 150 of 489
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Drip flashing at the door head and drip flashing with hook at the head help to keep out wind-driven rain.
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Dry wells are underground tanks that store water to percolate or drain slowly to another site or sewer.
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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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Durability concerns on a house continuously sheathed with a proprietary fiber structural panel used as bracing. Photo 1 of 2.
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Durability concerns on a house continuously sheathed with a proprietary fiber structural panel used as bracing. Photo 2 of 2.
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During high wind events, high localized areas of negative pressure (“suction”) occur above roof membranes
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During high wind events, vortices form along the edges of the roof creating areas of localized negative pressure (“suction”) above the roof
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Encourage dune formation by installing sand fences or pallets and planting dune grasses.
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End conditions for braced wall lines with continuous sheathing, Figure R602.10.7 in the IRC
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Example A of a gable truss and gable end wall bracing for a home in a hurricane region
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Example B of a gable truss and gable end wall bracing for a home in a hurricane region
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Example of masonry construction. Wall separated from building envelope due to inadequate vertical wall reinforcing in connection to horizontal tie-beam.
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Example sketch of porch for calculations showing tributary areas for column uplift loads
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Expected flood damage (as a percent of building’s pre-damage market value) at flood depths above the bottom of the floor beam), for a building in the coastal V Zone and riverine A Zone.
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Extreme weather, such as wind, fire, flood, or extreme heat (included in the Severe Weather category above) causes most large electric disturbance events in the U.S (defined as affecting at least 50,000 customers) (data from 2000-2016)
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Failure at a gable end of a home under hurricane force wind conditions due to improper continuous load path design.
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Failure in brick veneer connection under high wind conditions due to anchor corrosion, tie fastener pull-out, failure to embed ties into the mortar, poor bonding between ties and mortar, and poor-quality mortar; on left - five ties not embedded.
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Failure of "S" tile roofing in high winds due to bond failure between mortar and tiles.
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Failure of a freestanding concrete masonry end wall due to discontinuous tie-beam when exposed to hurricane force winds.
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Failure of barrel tile roofing due to bond failure between underlayment, mortar, and tiles during a hurricane.
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Failure of extruded concrete flat tile roofing due to bond failure between tile, mortar, and underlayment resulting from hurricane force winds.
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Failure of Roof Structure from Pressurization Due to Window Failure During a Hurricane.
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Failure of the wall to roof connection resulted in loss of roof under hurricane force winds.
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Firewall separation. Results from building corners being discontinuous with tie-beams.
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Flood Insurance Premiums Can be Reduced Significantly by Building above the BFE.
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Florida Wind-Borne Debris Region, Category II and III Buildings and Structures except health care facilities.
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For homes built in V Zones a registered professional engineer or architect must certify that the lowest floor elevation is above the BFE and piles and structure are anchored to resist flotation, collapse, or lateral movement due to combined wind and water
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Gable end vents allow in wind-driven rain because pressures that develop between the outside surface of the wall and the inside of the attic are sufficient to drive water uphill several inches.
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Gable-end bracing detail; nailing schedule, strap specification, brace spacing, and overhang limits should be adapted for the applicable basic wind speed.
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Glass blocks allow in daylight while maintaining privacy and also provide protection against high winds and floods.
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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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