Shop for Gatorblanks® Board. Gatorblanks® is a thick extruded polystyrene foam board for a cost-effective solution to add dimension to any display. Without facers, the rigid foam is extremely easy to route and can even be cut with a hot wire. Gatorblanks® is ideal for displays, signs, and dramatic in-store lettering. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.