Gal Roofing - Gal Roofing is a professional Monrovia Roofer company who offers specialized solutions for solar panel installation. We install your system in such a way so that it gives you the ultimate in efficiency. We help you at every stage of the process. We are located at 119 W. Foothill Blvd, #5, Foothill Center, Monrovia, CA 91016.