GAF is a company based in the USA, established in 1886, that operates primarily in the manufacturing and construction sectors, particularly focusing on building materials. With a workforce of over 1,000 employees, GAF generates significant revenue, primarily from its offerings in the roofing industry. The company has published a guide titled "Photovoltaic Installations on GAF EverGuard™ Single-Ply Guaranteed Roofing Systems," which serves as a resource for designers and installers of solar roofing systems. This document outlines critical considerations for photovoltaic (PV) installations, including evaluations of PV technology and roofing substrates, structural loading requirements, and maintenance protocols. It also discusses the installation procedures and guarantees associated with GAF’s roofing systems. The content emphasizes the importance of assessing wind uplift resistance and load management during the installation of solar panels. Overall, GAF's expertise lies in providing comprehensive guidance for integrating solar technology with its roofing solutions, reflecting its commitment to innovation in the building materials industry.