Understanding UL, ULC, and FM Approvals for Fire-Sprinkler Pipe
Q1. Why do North American markets rely on UL, ULC, and FM certifications? UL, ULC, and FM are the primary independent certification bodies governing safety and performance in the fire-protection industry. Their standards ensure that fire-sprinkler pipe meets strict requirements for pressure performance, weld integrity, coating durability, dimensional tolerances, and...