We specialize in the installation of elastomeric roofing surface systems that provide maximum weather and water protection. Our roof leak repair uses state-of-the-art technology, we install elastomeric liquid and single-ply membranes to create a flexible, durable protection system that is impervious to water, sunlight and abrasion.  ARC is a roof repair and installation contractor serving San Francisco, Marin County, and the greater Bay Area.  We offer optimal waterproofing in our roofing solutions.