Pressure-treated wood for flood damage resistance must comply with which standard?

Pressure-treated wood intended for flood damage resistance must comply with the AWPA U1 standard. This particular standard outlines the guidelines for the treating of wood products for exposure to water and provides specifications for the materials used in environments where wood may be subjected to repeated wetting and drying cycles, which is common in flood-prone areas. The AWPA U1 standard ensures that the wood is adequately preserved against decay and insect damage, making it a critical component in construction practices designed to withstand flood conditions.

Each of the other standards mentioned has specific purposes and applications, such as different treatments and uses for wood in various environmental conditions, but for flood damage resistance, AWPA U1 is the appropriate choice. It is crucial to follow standards that specifically address the conditions the material will face to ensure durability and longevity in flood-prone areas.