Moisture content in the subfloor should be low before installing underlayment.
Remove vinyl subfloor and plywood underlayment.
How to remove flooring underlayment.
Use a cordless impact driver to remove all the screws holding down the inch plywood underlayment.
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.
Use a flat pry bar and long handled floor scraper to scrape up all the vinyl tiles.
If it doesn t come off you will need to use the prybar and hammer to chip at the hardened adhesive.
Once it s cut gently lift the strip of vinyl until you encounter resistance from the glue near the perimeter.
Unlike laminate flooring most vinyl floors are designed to lay directly on top of the subfloor.
It is used most often with vinyl linoleum hard tiles and some.
How to remove a subfloor or flooring underlayment.
Plywood underlayment is a thin plywood material that is most commonly used under resilient flooring materials such as vinyl and linoleum sheets and tiles.
Arrange the plywood on the floor so the joints of this layer do not align with the subfloor joints below.
Discard the old tiles.
Flooring underlayment is the material used beneath the finished floor but above the subfloor.
Allow 1 4 inch gap along the walls and between the joints for expansion.
Roll the vinyl as you make your way down the length of the strip.
In some cases a vapor barrier should be used between the subfloor and the underlayment particularly for first floor applications when using particle board underlayment over a subfloor other than exterior grade plywood.
Pull up one piece of plywood underlayment and inspect the floor below.
Tips tricks to make the job go easier faster.
It is important to know if you need underlayment or not with a vinyl flooring installation.