FEMA TB-2: How to Choose Flood-Resistant Materials

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Flood Damage Isn’t Just About Water Depth — It’s Also About Materials. 🌊 FEMA Technical Bulletin 2 (TB-2) outlines flood damage-resistant materials—and it’s critical reading for any architect, builder, or floodplain official working in a Special Flood Hazard Area (SFHA). Using the wrong materials below the Base Flood Elevation (BFE) could mean costly repairs, failed inspections, or worse—compromising life safety. ✅ Why it matters: FEMA TB-2 provides detailed guidance on selecting materials that can withstand prolonged flood exposure without significant damage. It aligns with ICC building codes like IRC, IBC, and ASCE 24, ensuring code compliance. It’s essential for maintaining eligibility for NFIP flood insurance. Don’t forget the Non-Conversion Agreement! When building enclosures below the BFE (especially in elevated buildings), signing a non-conversion agreement helps ensure these areas remain compliant (no finishing, no livable use). This protects residents and keeps communities in good standing with NFIP and CRS programs. Ready to dig deeper? Check out FEMA TB-2 and ensure your next project is both resilient and compliant. Floodproofing.com #FloodResilience #FEMATB2 #Floodproofing #BuildingCodes #ICC #ASCE24 #NonConversion #NFIP #ResilientDesign #ASFPM #Compliance #EngineeredFloodOpenings #FloodplainManagement #FloodSmart #FloodInsurance #Elevate #Concrete #ICF

One of the sleeper compliance issues I saw was the failure to protect the common wall. Flood vents in garages that had sheet drywall on the inner side. In other communities, houses would be elevated to FPE but then builders stopped with flood protection, leaving them vulnerable to slightly greater stages that ruined drywall and electric. At least use water resistant drywall or run it horizontally, and same with electrical. Hopefully stronger code enforcement has corrected some of this.

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