F17 Formply is a high quality plywood produced with FSC certified hardwood timber veneers. These are glued with phenol formaldehyde resin and overlaid with a hard durable resin impregnated paper to give concrete a smooth finish. With a durable A-Type Marine bond, F17 Formply can withstand the rigours of construction moisture. Its hard phenolic surface and high quality outer veneers make it durable and reusable.