TUFTEX SeaCoaster corrugated panels are economical vinyl building panels. Made with a vinyl plastic polymer in a classic round wave profile, TUFTEX SeaCoaster corrugated panels are 10 times stronger than 5 oz fiberglass corrugated panels. TUFTEX SeaCoaster panels are suitable for indoor and outdoor do-it-yourself (DIY) backyard projects. TUFTEX SeaCoaster panels are popular in the creative DIY community for their lightweight, flexible, flame-resistant and impermeable properties. TUFTEX SeaCoaster panels are suitable for indoor and outdoor do-it-yourself (DIY) backyard projects. TUFTEX SeaCoaster panels are popular in the creative DIY community for their lightweight, flexible, flame-resistant and impermeable properties. All TUFTEX SeaCoaster panels are 26 in W and are available in 8 and 12 ft lengths. If needed, 10 ft, 14 ft and 16 ft lengths are available through special order. The corrugation height is 9/16 in.