Technical Bulletins

• Guide-01 User's Guide to Technical Bulletins (PDF, 176 KB)
  Provides a list of available technical bulletins, a key/word subject reference index for all the bulletins, and information about how to obtain copies of the bulletins.

• 1-08 Openings in Foundation Walls and Walls of Enclosures -- (PDF 140 KB)
  Provides guidance on the NFIP regulations concerning the requirement for openings in below-Base Flood Elevation foundation walls for buildings located in Zones A, AE, A1-A30, AR,AO, and AH.

• 2-08 Flood Damage -Resistant Materials Requirements-- (PDF 468 KB)
  Provides guidance on the NFIP regulations concerning the required use of flood-damage resistant construction materials for building components located below the Base Flood Elevation in Special Flood Hazard Areas (both A and V zones).

• 3-93 Non-Residential Floodproofing -- Requirements and Certification-- (PDF 152 KB)
  Provides guidance on the NFIP regulations concerning watertight construction and the required certification for floodproofed non-residential buildings in Zones A, AE, A1-A30, AR, AO, and AH whose lowest floors are below the Base Flood Elevation.

• 4-93 Elevator Installation-- (PDF 96 KB)
  Provides guidance on the NFIP regulations concerning the installation of elevators below the Base Flood Elevation in Special Flood Hazard Areas (both A and V zones).

• 5-93 Free-of-Obstruction Requirements-- (PDF 8.56 MB)
  Provides guidance on the NFIP regulations concerning obstructions to flood waters below elevated buildings and on building sites in Coastal High Hazard Areas (Zones V, VE, and V1-V30).

• 6-93 Below-Grade Parking Requirements-- (PDF 112 KB)
  Provides guidance on the NFIP regulations concerning the design of below-grade parking garages beneath buildings located in Zones A, AE, A1-A30, AR, AO, and AH.

• 7-93 Wet Floodproofing Requirements-- (PDF 160 KB)
  Provides guidance on the NFIP regulations concerning wet floodproofing of certain types of structures located in Zones A, AE, A1-A30, AR, AO, and AH.

• 8-96 Corrosion Protection for Metal Connectors in Coastal Areas-- (PDF 884 KB)
  Provides guidance on the need for, selection of, and use of corrosion-resistant metal connectors for the construction of buildings in coastal areas.

• 9-99 Design and Construction Guidance for Breakaway Walls Below Elevated Coastal Buildings-- (PDF 6.98 MB KB)
  Provides guidance on the NFIP regulations concerning the design and construction of breakaway walls beneath elevated buildings in Coastal High Hazard Areas (Zones V, VE, and VI-V30).

• 10-01 Ensuring that Structures Built on Fill In or Near Special Flood Hazard Areas are Reasonably Safe From Flooding-- (PDF 856 KB)
  This technical bulletin discusses building techniques, including the use of fill, that can be used to ensure structures are reasonably safe from flooding.

• 11-01 Crawlspace Construction for Buildings Located in Special Flood Hazard Areas-- (PDF 608 KB)
  Provides interim guidance on minimum NFIP requirements as well as best practices for crawlspace construction in the Special Flood Hazard Area.