Shop for Gatorfoam® Self-Adhesive Board. Gatorfoam Self-Adhesive Board is comprised of wood-fiber veneers with a black extruded polystyrene foam core. One side has a peel-off release facer with simple mounting instructions that exposes a pressure-activated high-tack adhesive coat for a permanent bond. Easily routes and cuts, and has good dimensional stability and rigidity. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.