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About product and suppliers:
        Alibaba.com offers 930 thermal underlay products. About 38% of these are flooring accessories, 2% are cork flooring. 

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

There are 930 thermal underlay suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of thermal underlay respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 449 with ISO9001, 155 with ISO14001, and 101 with Other certification.