







High Performance Roofing That Is User Friendly
Quality That Lasts • Zero Defects, No Leaks
Custom Seal roofing systems perform because we pay attention to details and demand quality. They begin with the highest quality and performance PVC membrane.
This roofing material has been in the market since the mid 1980’s, with over 300 million square feet installed on over 15,000 roof applications. This first quality PVC membrane has a proven in-place track record second to none!
Custom Seal preassembles the roofing system in their facility with state-of-the-art CNC programmable welding equipment using laser alignment. Custom Seal's experienced professionals strive to produce roofing systems with zero defects to protect our superior record of customer satisfaction.
Custom Seal roofing materials are 80% preassembled at our plant and then carefully shipped to the contractor. Holbrook's Roofing Co., designs the remaining details that need to be finished on-site for ease of installation.
This means that the Custom Seal seams and details are for the most part prefabricated in a controlled environment instead of the unpredictable weather in the field.