This green spongy underlay helps reduce sound (by 39dB) a great choice for reducing transmitted noise and keep warmth in (with a 1.24 tog rating). It's made in the UK from a blend of 65% calcium carbonate, 15% processing oil, 15% styrene butadiene rubber, 5% blowing agents and colouring. 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