Post Date:
18-Aug-2026
Carpet Underlay Explained: Does It Really Make a Difference?
Yes, and more than most people expect. Underlay supports the carpet backing, absorbs the pressure of footsteps and furniture, adds cushioning, and puts an insulating layer between the carpet and a cold subfloor. Fit a good carpet over a tired or unsuitable underlay and it will neither feel nor last the way it should. But the thickest underlay is not the best underlay. Density matters more than depth, and getting that the wrong way round is the most common and most expensive mistake in a carpet order. This guide covers what underlay does, how the different materials compare, and which specifications matter for bedrooms, living rooms, stairs and homes with underfloor heating. We have been fitting carpet across Liverpool and Merseyside since 1996. You can browse our underlay range alongside the full carpet range, or ask us to specify the right combination for your room. What underlay actually does Four jobs, and they pull in slightly different directions, which is...
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