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About product and suppliers:
        Alibaba.com offers 2,270 waterproof carpet underlay products. About 65% of these are flooring accessories, 1% are plastic flooring, and 1% are plastic sheets. 

A wide variety of waterproof carpet underlay options are available to you, such as moisture-proof underlay, silent underlays, and flooring trims. You can also choose from free samples, paid samples. 

There are 2,274 waterproof carpet underlay suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Malaysia, and Saudi Arabia, which supply 99%, 1%, and 1% of waterproof carpet underlay respectively. 

Waterproof carpet underlay products are most popular in Western Europe, North America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 393 with ISO9001, 84 with ISO14001, and 35 with Other certification.