Carpet underlays provide an excellent base for a new carpet and will prolong the life of your carpet while also giving good sound insulation and energy saving qualities as well as being comfortable underfoot. PU underlays are one of the most popular on the market as they have excellent heat and sound insulation properties. They are made up of recycled foam so are environmentally friendly. Take a look at some of our Carpet, Wood and Laminate underlays below with prices from £1.99 per square metre excl. Vat