Doing this will give you a nice smooth flat surface to lay the sheet vinyl over.
Vinyl underlayment filler.
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.
It may be applied over most surfaces for a smooth finish before installation of permanent flooring.
It s more important that the underlayment dampens sounds and feels comfortable.
Installs from feather edge to any depth.
If you re installing sheet vinyl or peel and stick tiles you also want to fill knots that you would be able to feel under the flooring.
It s inexpensive flat smooth and bonds well to the vinyl adhesives.
Meaning if you re going to install vinyl plank flooring over tile vinyl flooring and even.
How to prepare a subfloor for vinyl flooring.
Just lay it down cut it with a knife or heavy duty scissors and tape the seams with packing tape photo 3.
Before you install sheet vinyl the subfloor must be in good.
There s no need for a moisture barrier underlayment on plywood.
Underlayment patch and skimcoat is a portland cement based floor patch and skimcoat.
Dry fit your vinyl and trim to size leaving an extra 1 for fudge.
One common underlayment for vinyl floors is 1 2 inch particle board.
I use a latex filler recommended for use before laying vinyl flooring to fill in any crack in the seams and the screw heads.
Birch plywood is extremely smooth with no surface voids visible grain or high sections.
An underlayment that offers more cushioning is armstrong flooring quiet comfort.
The henry 7 lbs.
We used mannington underlayment which costs 40 per sq.
In fact it must be supported by a strong subfloor with limited gaps and it can bridge only small holes.
An effective strategy for filling large gaps is to mix patching compound to a stiff mortar like consistency trowel it into the plywood subfloor gaps and wait for it to stiffen before troweling it smooth.
The next layer of filler to go down before the vinyl flooring is 1 4 inch birch plywood.
On the downside particle board underlayment has very little structural strength.
Vinyl underlayment is easy to install.
For assurance allow filler to dry for 24 hours prior to laying vinyl.
Whichever underlayment you choose you ll still have to knock down ridges and fill in the severe dips in the subfloor.