Most flooring materials need underlayment to cover imperfections in the subfloor, reduce sound and provide other benefits specific to each type of floor covering. Choosing the right underlay for ...
“The underlayment doesn’t make a difference in terms of the overall level of the floor but will help cover up imperfections in the subfloor,” Ayoub said. “For example, small cracks or ...
But they can still be insulated by laying a new layer of rigid insulation on top. This would usually be covered by chipboard plus your desired floor covering. The insulation can be placed directly ...