WP-5100 2 Layer Wideboard Product. This product has a solid wood wear layer more than twice the thickness of the average product on the market. Suitable for most applications this product is extremely long lasting and hardwearing. Tongue and groove joints on four sides. Tailor made and dimensionally stable header joint by utilizing top quality plywood. Spruce supporting material with vertically arranged growth rings. The product is enhanced due to a bevel on the longitudinal and header joints.