Are you looking for roofing materials that are strong and lightweight? Here at Robot Building Supplies, we offer Polycarb Roofing sheets which are made with an advanced polymer that can not match any roofing material and is very lightweight and capable of extreme weather. In our collections, polycarbonate sheets are available in various colors and styles, all of which block 99.9% of harmful UV rays. Visit our website, explore our collection, and place an order; we will deliver your materials to your doorstep.