A basic demonstration for roofing contractors and homeowners on how to install GAF Timberline Shingles using the closed-cut valley method. Learn more at www.gaf.com/en...
Pro Series by GAF provides step-by-step instructions on how to install GAF roofing products for better safety and efficiency. Video details include nailing techniques and optimal trim angles.
Ver en Español: • Tejas HD de Timberline...
6 окт 2024