Commercial Heavy Duty Decking — WPC Decking This First Generation commercial-grade WPC board (profile 150x30mm, Seven-hole hollow, stable load-bearing) is engineered for heavy-traffic terraces, plazas and commercial decking projects. As part of our first-generation outdoor flooring range, it is produced from wood plastic composite with a thick 30mm seven-hole hollow core for high load-bearing. The snap tongue-and-groove design allows glue-free quick installation, which