Panel Rey’s Exterior Soffit X/Exterior Soffit C is a product with a fireproof core essentially made of gypsum and reinforced with the addition of high temperature resistant fibers and special additives to provide a higher resistance and performance. The drywall is covered on both sides with 100% recycled paper. The paper, on the front, covers the beveled edges to strengthen and protect the core. The ends are square cut and finished smooth. Panel Rey Exterior Soffit X/Exterior Soffit C board is offered in a wide variety of standard lengths and thickness of 5/8”. Panel Rey products do not contain asbestos.