There s no need for a moisture barrier underlayment on plywood.
How to install plywood underlayment for vinyl flooring.
Always use the fasteners and fastening pattern recommended by the vinyl floor and plywood manufacturer.
Why people use underlayment people turn to underlayment for comfort underfoot sound reduction and moisture barriers.
The most commonly used type of floor.
Meaning if you re going to install vinyl plank flooring over tile vinyl flooring and even.
When installing the new underlayment stagger the seams of the plywood panels and leave a 1 32 inch gap between panels to allow for expansion.
Vinyl flooring is usually not installed directly over the subfloor in residential applications.
Plywood underlayment is a thin plywood material that is most commonly used under resilient flooring materials such as vinyl and linoleum sheets and tiles.
A floor underlayment is installed over a subfloor to provide a smooth surface onto which carpet hardwood vinyl or other finished flooring can be installed.
It can also be used under hardwood laminate and carpet but this is much less common these days because subflooring is typically smooth enough for these materials many of which are installed with a different type of underlayment or pad.
When installing vinyl plank flooring over existing floor materials underlayment may not be required but it can help with cushioning and sound reduction.
Leave a 1 8 inch gap along the walls.
In most cases 4 by 8 foot sheets of particle board or plywood must be installed in preparation for the vinyl floor install.