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Technical Bulletin 1, Openings in Foundation Walls and Walls of Enclosures (2020)

Cover photo for the document: Technical Bulletin 1, Openings in Foundation Walls and Walls of Enclosures (2020)

Provides guidance on the NFIP regulations concerning the requirement for openings in below-Base Flood Elevation foundation walls and walls of enclosures for buildings located in Zones A, AE, A1-A30, AR, AO, and AH.

SizePublication Date
Icon for file of type application/pdfOpenings in Foundation Walls and Walls of Enclosures
4.11MMarch 25, 2020