Library

Checklist providing information about the specific requirements of FORTIFIED Roof™ design and construction standard for re-roofing specific for high wind and hail resistance.

Article describing how to counterflash a chimney by tucking the upper pieces of counterflashing into the chimney mortar joints and overlapping them over the various pieces of base flashing, which are nailed to the roof deck.

Report providing extensive guidance on controlling moisture in building envelopes through proper selection and installation on air, water, thermal, and vapor barriers.

A free tool used to calculate the required minimum flow rate of dwelling-unit ventilation.

Fact sheet describing flashing of roof penetrations to make a home more resistant to high winds, hurricanes, and rainwater intrusion.

A CD guide intended to help communities mitigate damage or loss from tornadoes and other extremewind events, and provide public information resources for conveying the importance of safe room construction.