Our 10mm thick PU underlay for carpets is a perfect low-cost carpet underlay which will protect and improve your flooring installation. Made with 100% recyclable polyurethane foam. 1.37m wide. Cut to any length. Full roll is 11m long. Extends the life of your carpet. Warmer and more comfortable underfoot. We cut our underlay to size so can supply an exact amount for your installation, no need to buy full rolls.