FEMA Technical Bulletins provide specific guidance on complying with the NFIP’s minimum floodplain management criteria. The Technical Bulletins are used by state and local floodplain management officials, including design professionals (e.g., architects, engineers), contractors, building owners and operators, planners, and other interested stakeholders
Technical Bulletin (TB) 2 is intended to provide current guidance on what constitutes materials resistant to flood damage and how and when these materials must be used to improve a building’s ability to withstand flooding. TB2 was last updated in 2008.