Get home the science of plywood, with Luthier Ply. Infusing the PEN Technology (Phosphate Enriched Nanoparticle) forms a protective mesh on the surface of plywood as well as inside the layers rendering it two times more fire retardant. Enriched with un-extended BWP resin, Green Platinum is two times as boiling waterproof as regular FR grade plywood. It also confirms to zero emission. But why let it end there? Get 2X the money back with 30 years warranty – that’s a promise of quality at its best.