NFPA 703-2021 PDF Download

NFPA 703-2021 is a standard that provides important requirements and guidelines for fire-retardant-treated wood (FRTW) and fire-retardant coatings used in building materials. Its purpose is to ensure that these materials meet appropriate levels of fire safety. The standard is designed to assist code enforcers, AHJs, engineers, producers, and architects in making informed decisions regarding building materials.

This edition of NFPA 703 has been updated to incorporate the latest expert knowledge and best practices. It includes comprehensive criteria for defining and identifying fire-retardant-treated wood and fire-retardant-coated materials. The standard covers the understanding of how fire-retardant-treated wood works and provides guidance on accurately classifying and testing it. It also addresses the exterior and interior application of fire-retardant-treated wood, labeling requirements, and the effects of exposure to environmental conditions.

Notable changes in the 2021 edition of NFPA 703 include revised testing criteria for fire-retardant-treated wood to align with standard industry practices, new explanatory material to clarify the difference between coating and impregnating, and updates to referenced codes, standards, and other documents.