Due to the increased movement between the plank seams, manufacturers do not recommend using two layers of underlayment under laminate flooring. This could cause the planks to separate or make noises when you walk across the floor.

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Can you double up floor underlayment?

Underlayments are designed to work with just one layer, so the answer is no. If your chosen flooring has a click and lock mechanism, the additional cushion provided by the second layer may cause problems.

Can you double stack underlay?

Laminate flooring does not require a thick or double layer of underlayment. The purpose of underlayment is to ensure that your floor is properly balanced and floats on top of the subfloor.

Can I put underlay on top of underlay?

In order to get the best performance from your new flooring, don’t put new underlay on top of old underlay! Keeping an old underlay in a place where no one will walk on it can be a tempting option because it appears to be in good condition.

Can you have too much underlay for laminate flooring?

The laminate’s locking system is put under strain if the floor is too bouncy. It’s a good idea to use a vapour barrier when installing a laminate floor over concrete that has a pre-attached underlay. Moisture damage can be avoided in this way.

Is 2mm underlay enough for laminate flooring?

A good choice for acoustic environments In the case of wood or laminate flooring, a 2mm thick underlay is ideal.

What happens if you put laminate on uneven floor?

Laminate can be installed on uneven floors, but the quality of your new laminate may suffer as a result of this. As a result, the final product may be warped, resulting in shifting and damage to the floor as a result of stepping on it. As a result, prior to installing laminate, make sure the subfloor is level.