You also risk voiding the warranty of the laminate flooring.
Can you use 2 layers of underlay under laminate flooring.
Whether you are laying the laminate below ground level or at ground level or above you need to have the correct type and number of layers for the underlayment.
If you want to spend real money then you can add an extra layer of acoustic barrier matting which is a 2mm or 3mm thick mat and which is unbelievably dense.
Underlayment is manufactured and meant to be used as only a single layer to allow your floor to be balanced and float properly.
Super gold is the thickest underlay you can put under laminate or wood flooring.
The main benefit of a thicker product is the warmth properties it has.
Floating floors can be installed over any existing hard floor surface but should have an underlayment between the laminate flooring and the subfloor.
It also works well in upstairs rooms on wooden floor boards.
Can you use two layers of underlay under laminate flooring.
If you are installing your laminate flooring with the pre attached underlayment over a cement subfloor you will want to use a vapor barrier.
The underlayment is installed as a cushion and sound barrier between the sub floor and laminate flooring.
Laminate flooring is designed for quick and easy installation over almost any flat smooth floor surface.
This type of underlayment does not have any additional padding so it will not pose a risk to your laminate flooring.
The flooring is actually on top of the sub floor without the use of nails or fasteners.
No it is not recommended to install a thick or double layer of underlayment with laminate flooring.
It is not recommended to use more than one layer of underlayment under laminate flooring as it can make the flooring too soft and unstable and can cause the joints to dislodge or its locking system to break.
Building paper between layers of flooring.
The paper comes in rolls typically 3 feet wide.
It has a built in damp proof membrane so works great when laying on concrete floors for example kitchens and other downstairs rooms.
But the hard laminate material doesn t lie directly onto that surface.
Finally the only way i d ever consider two layers of underlay is to put a layer of mdf on top of the bottom underlay.
The floor trim around the edges holds it all down.
You can buy laminate underlayment but if you have a bunch of old roofing felt it works just as well.
It needs a layer of underlay or underlayment to cushion the laminate planks and ensure a comfortable durable finished floor.