Environmental Roofing & Waterproofing is an industrial, commercial roofing company whose experience spans over 3 decades in the San Francisco Bay Area. Our dedication to environmentally friendly roofing systems, customer service, building owner and tenant relations has made ERW Inc. a leader in the roofing industry. Environmental Roofing & Waterproofing Inc. is a hands on company, which means you can interact directly with the owner for any of your needs. After years of environmentally friendly roofing it is rewarding to see the State of California finally requiring these types of “Cool Roofs” because they are best for our environment and best for all of us.