Graylastic formliners provide maximum design latitude for precast or cast-in-place applications. Made from polyurethane and bonded to plywood, they can be used up to 100 times and are not affected by heat or cold. They are also available in sizes up to 30 feet long, and can be easily cut in the field. Odd sizes and custom fabrications are also available. Fitzgerald Formliners. 800-547-7760.