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About product and suppliers:
        Alibaba.com offers 6,578 roofing underlayment products. About 80% of these are waterproof membrane, 4% are flooring accessories. 

A wide variety of roofing underlayment options are available to you, such as free samples, paid samples. 

There are 6,535 roofing underlayment suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United Kingdom, and Turkey, which supply 99%, 1%, and 1% of roofing underlayment respectively. 

Roofing underlayment products are most popular in Western Europe, Mid East, and Eastern Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,188 with ISO9001, 456 with ISO14001, and 242 with Other certification.