Library

Report summarizing the requirements to strenghthen new homes against property damage caused by high wind occurrences per the IBHS Fortified Homes High Wind Standard for New Homes.

Guide describing the requirements by FORTIFIED Home™ for improving the home's resistance in severe thunderstorms, straight-line wind events, and high winds at the outer edges of tornadoes.

An article illustrating common errors found in fiber cement siding installations. Many of these errors and poor flashing examples apply to siding materials beyond fiber cement siding.

Checklist providing good and bad methods of fortifying the roof, especially in high wind situations.

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.

Siding installation guide for Ply Gem Siding Group products.

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

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