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About product and suppliers:
        Alibaba.com offers 2,331 waterproof carpet underlay products. About 64% of these are flooring accessories, 11% are nonwoven fabric, and 3% are carpet. 

A wide variety of waterproof carpet underlay options are available to you, such as free samples, paid samples. 

There are 2,331 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 Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 398 with ISO9001, 87 with ISO14001, and 32 with Other certification.