Library

NREL webpage of standard work specification of exterior and interior, attic floors, attic knee walls, and unique installations.

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.

FEMA Mitigation Assessment Team Report describing damages from Hurricane Michael in Florida in Oct. 2018 and recommendations for future hurricane preparedness.

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.

Manuals describing design, materials, and installation techniques applicable to almost all types of roof systems; four-volume set includes Metal Panel and SPF Roof Systems, Membrane Roof Systems, Architectural Metal Flashing and Condensation and Air Leakage Control, and Steep-Slope Roof Systems.