When it comes to commercial building roof types there are many kinds—metal, EPDM, single-ply, cool, foam, tar and gravel, rubber, PO, flat, shingle—and all types of coatings. But no matter what type of roof or coating you have, it’s important to conduct regular roof maintenance to ensure your commercial facility runs as efficiently as possible. Your building’s roof plays a critical role in protecting not only your facility but everything within it—employees…