Timbermate Excel DIY 10sqm Sponge Wood & Laminate Underlay: 3.6mm Thick, 0.55 Low Tog, 0.69m x 14.60m Roll Designed for laminate & solid timber floors. Also complements under-floor heating systems, allowing heat to easily pass through. Timbermate Excel DIY noise reducing underlay for use under wood or laminate floors, supplied in easier to handle 10m 2 rolls. This 3.60mm textured flat, Duralay sponge rubber underlay reduces noise by up to 30% compared to polyethylene cell foam. The Vapourstop barrier protects against moisture & is 10 times more effective than polythene sheeting. Suitable for under floor heating. Not suitable over wood block or parquet sub floors.