Do I Need Pad Under Vinyl Plank Flooring. It is highly recommend that it be purchased unless one is already attached to the flooring materials then it is up to you whether you are willing to break the warranty or not. If you have any areas on a concrete subfloor with moisture concerns it is recommended to use a vapor barrier underlayment that will not add any cushion to the planks.
Typically heat pad systems are used for floors that are adhered to the subfloor for example ceramic tile. The only time we suggest underlayment under vinyl tile or plank flooring is if want to reduce the impact sound or sound transmission in your room. To help prep your subfloor you would have to level out the cracks gaps and holes with a liquid leveling agent that you can find at any hardware store.
The QuietWalk Luxury Vinyl reached a Delta IIC of 28.
Using a vinyl flooring underlayment can help reduce noise soften the feel under foot. Most non-slip pads that are recommended for hardwood floors are a safe choice for vinyl plank. As discussed previously it depends on whether the room requires thermal assistance or enhanced sound barriers or a moisture barrier. You also do not need an underlayment if your vinyl plank flooring has underlayment installed however you may need a vapor barrier.
