What is another word for under-lay?
Pronunciation: [ˌʌndəlˈe͡ɪ] (IPA) 
Under-lay is a term used to describe the layer of material placed beneath a surface or another layer. There are several synonyms for this word, including underlayment, backing, base, sublayer, cushion, and groundwork. Many industries use under-lay or its synonyms, such as construction, where underlayment is often used as a moisture barrier and insulation layer. In the flooring industry, an underlayment is placed between the foundation and the final floor covering. In the textile industry, a backing is used to provide stability and durability to fabrics. Overall, under-lay synonyms have a significant impact on various industries, making them a crucial aspect of any construction or production process.
