Is Underlayment Required For Vinyl. The rule of thumb is any vinyl over 4mm can have a vinyl specific underlaymentVinyl floors under 4mm should be installed right over the subfloor. Installing underlayment in the vinyl areas supplies the elevation smoothness and levelness necessary for the proper installation of vinyl floors.
Successful application of peel-and-stick vinyl tile requires an underlayment that is perfectly smooth and clean. What Kind of Underlayment Do I Need. In almost every case yes depending upon the type of subfloor that you have.
However the underlayment cost gets saved this way.
Most vinyl flooring or luxury vinyl tiles do not require underlay. This baselayer makes the vinyl flooring incredibly durable and comfortable to walk on. Working With Concrete and Plywood Subfloors This can cause adhesives to loosen flooring planks to warp and mold and mildew to develop. Does Vinyl Plank Flooring Need Underlayment.