3mm Underlay

Working as a great middle ground between thicker & thinner types of underlays, this collection of 3mm flooring underlays is often the best choice for a room.

Working as a great middle ground between thicker & thinner types of underlays, this collection of 3mm flooring underlays is often the best choice for a room.

3mm underlay - A popular choice for homeowners

3mm thick flooring underlays are one of the most popular sizes due to their reliability, this comes from the fact that their thicker size provides additional stability without being so thick that the flooring itself is too high between rooms.