Disaster Resistance -
Flooding / Coastal Flooding

Flooding, whether due to coastal storm surges, rising inland waterways, or even burst pipes, is the most common disaster type, impacting more U.S. homes than any other natural disasters. Select the building components listed below to see guides that provide detailed information on making your home more resistant to water damage.

To minimize flood risks with new construction, homes should be built on high ground outside of high-risk flood areas and above the base flood elevation (BFE). New homes should be constructed in conformance with the National Flood Insurance Program (NFIP) and local floodplain management regulations...
Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.
Guide describing options for providing access to the roof via openable skylights, dormer windows, or roof hatches, for occupants of homes in areas prone to severe flooding.




Guide describing garage doors that are pressure-rated to withstand wind pressures from hurricanes, high winds, and tornados.

Porches / Carports / Decks

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


This guide provides key information on how to design or retrofit a crawlspace to reduce the risk of damage during a flood event. See the flood Overview Guide for background information on types of floods, flood mapping, the National Flood Insurance Program (NFIP), and terms used throughout this...


Guide describing steps that builders can take to reduce the likelihood of standing water and localized flooding around the foundation of a home during rainy conditions, with links to several full guides providing detailed instructions for improving water management in new and existing homes.