Keystone Exterior Solutions offers all major brands when it comes to residential roofing. We can replace your old roof with GAF, Certainteed, or Owen Corning products. Our asphalt roofing contractors are master roofers, this ensures that the roof replacement project will go well. Keystone Exterior Solutions has the best licensed and insured shingle roofer in Montgomery County PA. GAF TIMBERLINE is by far the most popular asphalt shingle bought each year in North Eastern Pennsylvania. Our contractors are GAF Certified which means they took the necessary classes from GAF and passed. Call us today for your new shingle roof replacement, you won’t regret using our roofing contractors to install your new roof!