What is another word for underfelt?
Pronunciation: [ˌʌndəfˈɛlt] (IPA) 
Underfelt is a type of fabric or material that is placed underneath carpets to provide cushioning and support. There are several synonyms that can be used to describe this material, including underlay, carpet padding, cushioning, and carpet underlayment. Underlay is a term commonly used in the United Kingdom to describe the material, while carpet padding is used more frequently in the United States. Cushioning is a broad term used to describe any material that provides support and comfort, and carpet underlayment refers specifically to the material placed underneath carpets. Regardless of the terminology used, underfelt serves an important function in ensuring a comfortable and functional carpeted space.
