You absolutely cannot use carpet underlayment underneath laminate flooring.
Installing laminate wood flooring over carpet.
Install the first row of planks with the tongue side facing the wall.
Since carpet is usually plush and soft your laminate flooring would not have the support it needs to keep the locking system sturdy.
Use the tongue and groove edges to connect one plank to another.
How to install laminate flooring.
One of the very first issues that you need to realize when considering the installation of laminate flooring over an existing carpet is the warping of the material.
Allow a 1 4 inch expansion joint between the track central portion of the end cap and the laminate floor.
Installing laminate flooring over carpet is not recommended in most installation situations.
As much as you want to cut down costs on a new floor this is not the way to do it.
Install your laminate flooring one row at a time.
To learn more about how to install plywood check out our helpful video.
We just lay it right on top of the carpet and then put the hardwood on top of that.
Plywood is highly recommended when installing over high pile carpet.
Bored with the dark bland low pile carpet in my living room i decided to install a wood laminate floor to cover part of my living space.
Ensure a snug connection by using a tapping block to gently tap the pieces together.
If you are using more than one sheet of plywood tape the sheets together at the seam.
I hope that helps.
The same thing happens even when the carpet is underneath the laminate.
A carpet adds a soft surface underneath the laminate.
When placing plywood sheets over plush carpet lay them in the opposite direction the floor will go.
Install baseboards and molding remove the spacers around the border and install baseboards and quarter round molding covering the plastic moisture barrier on the wall and the gap between the wall and the flooring.
Remove any carpet padding from the area where the end cap will be installed.
It stays in place under the weight of the laminate especially when you add furniture on top of that.
Installing laminate flooring over carpet underlayment will do more harm than good in the long run.
We have done this twice now because we moved and it has never shifted or caused any problem.