Our highest quality, heaviest duty, fire-retardant tarp is recommended for enclosures five stories and above in order to withstand high wind conditions. Made with an ultra-strong 14 x 14 weave polyethylene material. Unique welded D-rings located along a 4" hem instead of grommets provide for a more secure and stronger attachment. Rust proof aluminum grommets down the middle spaced every 3 feet for added support. Meets City of Boston Fire Marshall specifications for temporary enclosures.Color: Milky White.