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Roofing underlay is a type of material used in construction to provide a protective layer between the roof and the building structure. It is typically made of synthetic materials such as polypropylene, polyethylene, or polyester, and is designed to be waterproof and breathable. It is used to protect the roof from wind, rain, and other elements, and to provide additional insulation. It is also used to reduce noise from outside sources, such as traffic.
Roofing underlay is an important component of any roofing system, as it helps to ensure the longevity of the roof and the building structure. It is also used to improve the energy efficiency of the building, as it helps to keep the interior temperature more consistent.
There are a number of companies that produce roofing underlay, including CertainTeed, Owens Corning, GAF, and Johns Manville. These companies offer a variety of products, including self-adhesive underlayment, breathable underlayment, and non-breathable underlayment. Show Less Read more