Essential Roofing Supply specializes in providing FM Approved roofing screws and plates for commercial (and some residential) roofing applications, focusing on low slope roofing systems like TPO, PVC, and EPDM. They offer a wide range of FM approved products, emphasizing insulation installation. Their mission is to simplify the buying experience for customers through an easy-to-navigate website, offering the industry's best prices, free shipping, and a straightforward purchasing process, ensuring quality and affordability in roofing supplies.