Home > categories > Construction & Real Estate > Cement Boards > Do I really need to put felt paper down on top of the plywood counter top before laying my cement board?
Question:

Do I really need to put felt paper down on top of the plywood counter top before laying my cement board?

some say lay 15 pound paper what gives?

Answer:

It's a cushion -bed for the cement board. Less chance of it cracking if cushioned.
It's actually a vapor/moisture barrier. And yes it should be put down when laying this kind of surface over wood.

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