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Individualized architectural systems require designs for structural support.

Individualized architectural systems require designs for structural support.

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Outrigger faming for a gable end roof overhang

Outrigger faming for a gable end roof overhang

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Typical roof truss top chord bracing

Typical roof truss top chord bracing

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Recommended tile and mortar placement for extruded concrete flat tile roofing system

Recommended tile and mortar placement for extruded concrete flat tile roofing system

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Firewall separation. Results from building corners being discontinuous with tie-beams.

Firewall separation. Results from building corners being discontinuous with tie-beams.

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Install 2x4 lateral girts to reinforce a garage door against high winds.

Install 2x4 lateral girts to reinforce a garage door against high winds.

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Reinforce the garage door's glider track to prevent failure in high winds.

Reinforce the garage door's glider track to prevent failure in high winds.

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Typical lateral load transfer for one- and two- story buildings.

Typical lateral load transfer for one- and two- story buildings.

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The unprotected glazing in this door was broken by roof tiles dislodged by wind.

The unprotected glazing in this door was broken by roof tiles dislodged by wind.

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Detail A - Typical truss web bracing

Detail A - Typical truss web bracing

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Detail B - Typical wood gable-wall bracing

Detail B - Typical wood gable-wall bracing

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Observed roof bracing for gable roof overhang and recommended modification

Observed roof bracing for gable roof overhang and recommended modification

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Lower-story wall anchorage to masonry (or concrete) base. Straps properly nailed at wall studs.

Lower-story wall anchorage to masonry (or concrete) base. Straps properly nailed at wall studs.

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Failure of "S" tile roofing in high winds due to bond failure between mortar and tiles.

Failure of "S" tile roofing in high winds due to bond failure between mortar and tiles.

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Primary wood framing systems: walls, roof diaphragm, and floor diaphragm

Primary wood framing systems: walls, roof diaphragm, and floor diaphragm

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Failure of composition roof shingles and underlayment due to high winds.

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Composition shingle roofing system showing sheathing and hot-mopped underlayment

Composition shingle roofing system showing sheathing and hot-mopped underlayment

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Upper-floor tie to lower floor for two-story building. Floor tie anchor and nailed wall sheathing.

Upper-floor tie to lower floor for two-story building. Floor tie anchor and nailed wall sheathing.

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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.

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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Gable-End Retrofits

Reference

A builder's guide describing hurricane-resistant reinforcements for gable ends.

Wind uplift pressures on gable end overhang with ladder framing

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Product Approval Menu

Reference

Database of approved products that meet the requirements of the High Velocity Hurricane Zone.

National Hazard Mitigation Association

Reference

Website providing information on tsunamis, earthquakes, tornadoes, hurricanes, thunderstorms and more.

A rooftop rainwater collection system.

A rooftop rainwater collection system.

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House Raising After Harvey

Video

Video from Houston Public Media explaining the process of raising homes in Houston to avoid flooding from another natural disaster like Hurricane Harvey.

Foundation for concrete floors for flood-prone areas.

Foundation for concrete floors for flood-prone areas.

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Construction layers in a typical framed wall.

Construction layers in a typical framed wall.

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Right - every rafter is secured to the wall framing with metal ties.

Right - every rafter is secured to the wall framing with metal ties.

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Wrong - This concrete roof was not adequately attached and reinforced and failed in high winds.

Wrong - This concrete roof was not adequately attached and reinforced and failed in high winds.

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Right - This door and window have a permanent protective covering system.

Right - This door and window have a permanent protective covering system.

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