WPC Fire Rating vs Reality: Why Certified Boards Rarely See Real Fire-Safe Use 2026-07-03
Most WPC decking, WPC cladding, and WPC fencing products carry a Class B or C fire certificate. But the wood fiber inside is inherently combustible. Adding flame retardants pushes fire ratings up — and pushes structural strength, cost efficiency, and practical applicability down. This article dissects the three-way trade-off across WPC decking, cladding, fencing, and wall panels, and explains why truly fire-safe building envelopes need fundamentally different materials.
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