This John Lewis underlay is suitable for use under wood or laminate flooring. It helps reduce sound (by 23dB) and keep warmth in (with a 0.55 tog rating) and is made in the UK from a blend of sponge, rubber and vapour-stop foil. The v apour barrier helps to protect the flooring from moisture from the subfloor. Width 137cm. 0% APR Representative: If you buy this product in our shops, it's eligible for Interest Free Credit , which is available when you spend £1000 or more on selected home products. Terms and conditions apply: find out more