Boak & Sons, Inc. is a certified supplier for many different manufacturers. We use materials from suppliers such as CertainTeed Roofing & Siding, Owens Corning Roofing, Johns Manville Insulation and many more. Boak & Sons is a preferred contractor for many of these companies, ensuring our clients will receive the highest quality materials along with service that exceeds their expectations. We conduct regular training with many of our manufacturer partners to ensure our employees are staying up to date on the most recent changes in our industry. At Boak & Sons, we believe creating a lasting relationship with manufactures in our field is just as important as the ones we create with our customers. By working closely with these suppliers, we are able to ensure our projects are being completed with materials and products that will help keep the Boak & Sons name at the top of the list for exterior contractors from Cleveland to Pittsburgh.