Guides A-Z

A guide discussing the installation of asphalt shingles when installing roofing on new construction or when repairing or replacing roofing on existing homes.

Guide describing how to provide a strong continuous load path from the roof through the wall to the foundation to ensure a structurally sound building and increase racking resistance in hurricanes, high winds, tornados, and earthquakes.

Guide describing construction of gable roof overhangs to resist uplift pressures in high winds.

Guide describing the advantages and disadvantages of gable roof and hip roofs and how both designs react under high wind loads.

Guide describing how to brace gable end walls to resist wind pressures.

A guide describing how to install low-sloped ("flat") roofs with insulation above the roof deck that resist wind pressures during high-wind events.

Guide describing recommendations for installing metal roofing that increase the roof's resistance to hurricanes and high winds, in accordance with the requirements of the IBHS Fortified Home Hurricane and High-Wind Standards.

Guide describing ways to retrofit an existing roof to increase its resistance to damage during hurricanes, high winds, and earthquakes.

Guide describing requirements for sheathing and sealing the roof decking in accordance with the requirements of the IBHS Fortified Home Program's Hurricane and High Wind Standards, and other roofing considerations to increase the roof's disaster resistance.

Guide describing how to seal roof valleys and how to seal around pipes, chimneys, and other roof deck penetrations.

https://basc.pnnl.gov/resources/2018-irc-international-residential-code-one-and-two-family-dwellingsGuide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.