BASC Search | Building America Solution Center

Outrigger faming for a gable end roof overhang

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Typical roof truss top chord bracing

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

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Detail A - Typical truss web bracing

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Detail B - Typical wood gable-wall bracing

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Observed roof bracing for gable roof overhang and recommended modification

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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

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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

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Wind uplift pressures on gable end overhang with ladder framing

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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.

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Wrong - This roof failed in high winds due to lack of metal attachments to the framing.

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High winds pulled part of the roof off this gable-roofed home.

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Locations of Fasteners for Asphalt Shingles in high-wind areas

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Wrong – Incorrect location of fasteners in an roof asphalt shingle

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Right - This roof has a low gable and is secured to the wall framing to resist wind uplift.

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Right - In hot climates, paint flat roofs light colors to reflect solar heat gain.

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Wind Resistant Roof Systems

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Video describing attic ventilation methods for wind and water-resistant roofs to comply with FLASH Strong Home guidelines and improve hurricane resitance.

Porches, Carports, and Deck Attachments

Guide

Guide describing how to install appropriate connectors to provide a continuous load path to improve the wind resistance of attached porches, carports, and decks during high-wind events.

Roofing nails should be driven in straight and flush, not overdriven, underdriven, or angled

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The components of a roof include the rafter framing or trusses, purlins, plywood roof decking, underlayment, and the roof covering.

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2017 Florida Building Code – Building, Sixth Edition

Reference

Florida building code including all the amendments and additions by Florida for the wind-borne debris regions and the high-velocity hurricane zone.

A thermosiphon solar hot water system heats a fluid in the solar collector; the heated fluid heats potable water in a roof top tank.

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Roof tie-down details for truss-to-wall connections from Fortified Home

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Wrong – The metal shingles and battens were inadequately secured

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Wrong – This house under construction is lacking wall to truss bracing and the bottom chord of the scissor trusses is several feet above the top of the end wall top plate

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Protect Your Home in a FLASH with Huber ZIP System Roof Sheathing and Tape

Video

Video showing how to protect your home via Huber ZIP System Roof Sealing and Tape from moisture problems arising from high wind or hurricane damage per FLASH Strong Homes guidelines.

Wrong – This roof has no sheathing, when the metal panels blew off there was no secondary protection

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