G.A.P. Roofing, Inc. has been manufacturing quality roofing and waterproofing products for over 30 years. G.A.P. Roofing, Inc. relies on decades of successfully manufacturing roofing and waterproofing materials to deliver quality products with an unwavering focus on a customized customer experience. Our family values, private ownership and long-term relationships allow us to provide a personalized business experience.