Tredaire Cosywalk 15sqm PU Foam Carpet Underlay: 5/6 Extra Durability, 4/6 luxury Comfort, 7mm Thick, 2.05 High Tog, 1.37m x 11.00m Roll Suitable for stretch-fit installation of carpets. Manufactured for warmth & delightful underfoot-feel, Cosywalk carpet underlay lives up to its name in every sense. Part of Tredaire