Brace your storage shed for winter's onslaught with this Arrow roof strengthening kit for 10 ft. x 13 ft. or 10 ft. x 14 ft. structures. If you live in a northern climate where ice and snow are common, fortifying the roof of your storage building is recommended to withstand the weight of winter's wrath. Constructed with hot-dipped galvanized steel, these extra beams increase the strength of the roof by 50%. Color: Metallics.