January 25, 2023 - Either way…doubling up pad never solves anything unless you’re trying to appease an HOA rule about mitigating sound heard by the neighbors on the floor below. ... The padding was doubled up because it was required by the manufacturer instructions on the pad specifically for our product. However after talking to them again, they won't commit to an answer either way in written or verbal communication. They have different installation instructions for both the laminate and the underlayment published online which conflict.

April 2, 2025 - Since each plank of the attached ... damage. A premium underlayment includes a moisture-proof lip and tape system to close off the seams of the underlayment pieces and prevent moisture from damaging the floor....

June 4, 2025 - Adding a secondary quality underlayment under planks with padding already on them offers performance attributes like: quieting the floor when walked upon and other sound transmission control, full coverage moisture protection beneath the flooring, ...

Answer: NO !! The pad IS the underlayment. If you add another layer of underlayment, the floor will flex too much and the planks/tiles will decouple under load. BTDT. The attached pads do not cover the entire bottom surface of the planks, so ...

Underlayment takes out any minor ... performance.If your laminate flooring planks already have an underlayment pad attached do not use additional underlayment because doing so will void your Swiss Krono warranty....

August 9, 2022 - When installing laminate flooring, you need underlayment. Attached, padded underlayment is often the best way to add this feature to the flooring.

May 31, 2024 - Yes, even with attached padding, an additional underlayment can enhance moisture protection and sound insulation. While the attached padding provides minimal benefits, using a separate underlayment will improve the overall performance and longevity ...

January 22, 2024 - If your laminate flooring has a pre-attached underlayment pad, you should not add an additional underlayment with the exception of a 6 mil vapor barrier if you are installing over concrete.

I currently have the thin foam underlayment on the floor. Should I remove it to install the flooring or place the flooring over it? ... It’s really your decision. Using foam on foam will restrict any movement. I would suggest removing the old material since it’s unnecessary and then installing your new laminate flooring that already has the foam attached.

Be careful you don't want the floor to be springy or spongy though. ... I say no to underlayment if it comes already attached to the flooring. Their instructions say to use underlayment IF it is not already attached.

October 6, 2023 - Underlayment serves the purpose of providing cushioning for your flooring and allowing it to float. It is particularly important for floating floors, like laminate and vinyl, which expand and contract with temperature changes.

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July 6, 2021 - In fact, combining attached pad and underlayment is not just a waste of money, there’s a good chance it will damage your laminate installation. However, make sure your attached pad comes with a moisture barrier.

May 6, 2021 - However, if the flooring manufacturer allows, an extra underlayment will give you extra benefits. Underlayment that is installed separately usually is a bit thicker and higher quality.

It is possible to lay laminate flooring without underlayment, but it is a terrible idea. This protective layer of padding mutes the sound of walking on the flooring, creates a moisture barrier for the floor or subfloor beneath it, and insulates.

June 27, 2024 - It helps the planks lay smoother and connect better and makes the flooring feel slightly softer underfoot. Underlayment is either pre-attached to the bottom of the laminate flooring or added separately by the installer.

November 6, 2020 - More on this below. Some laminates come with pre-attached underlayment. In this situation, you don’t need any extra underlay. It won’t provide any extra benefit and may actually damage the underlay. Too much padding can make the floor too bouncy, which strains the laminate’s locking system.

Follow the manufacturer's rules. Underlayment was needed with older laminate flooring, as that stuff was so rigid and often did not have an attached pad, and you needed the acoustic cushion. The joints were tongue and groove, so once you locked them, they were vertically stable.

June 13, 2025 - Depending on the product you choose, laminate flooring may require underlayment. At Floor and Decor, we offer styles of laminate flooring with an attached pad. These special boards are designed with an underlayment attached to the plank.