I know it seems like a smooth surface and it seems like it may fix some of the issues with the concrete floor but don t do it.
Wehen installing vinyl tiling do you use cement board.
Thick cement board instead of the usual 1 2 in.
To smooth the floor i covered screw.
Drywall screws spaced every 6 in.
Fasten the first sheet.
As long as the subfloor is 3 4 in.
Here is my concern.
Installing cement board over a concrete subfloor.
Mix a batch thinset mortar following the manufacturer s directions using a bucket and margin trowel or putty knife.
Place the first cement board sheet.
This guide will teach you how to properly lay cement backerboard and use mortar to secure and level your subfloor before installing tile.
Cement boards that some in sheets.
I have since decided to install vinyl sheet flooring.
And the best part.
If you lay vinyl over it the vinyl will conform to all the imperfections in the cement board and your vinyl flooring will appear dimpled not smooth.
You can however use an uncoupling membrane over a single layer of sheet vinyl or vinyl tile.
Chipboard cushioned vinyl flooring particle boards of any type oriented strand board osb interior grade plywood tongue and groove planking and hardwood floors are unsuitable substrates for direct installation of ceramic tile.
Tongue and groove material screw the underlayment down right through the vinyl with 1 1 4 in.
Do not use an uncoupling membrane if the floor squeaks or has any give when you walk on it.
It can be constructed from wood plywood plastic or concrete.
If you have a concrete subfloor then you should not be contemplating installing cement board over it.
Apply the mortar bed.
Installing over wood.
Never install new tiles over existing tiles or onto an unprotected wood or plywood floor.
So technically if you are installing vinyl plank flooring onto concrete you already have a subfloor.
Hi i expected to install tile on my bathroom floor so i installed cement fiber board.
If you don t want to use cementboard install another layer of plywood before using an uncoupling membrane.
Today most professional tile setters back their tile with cement board instead because it offers almost the same durability with a lot less work.
Trim the last panel.
The cement board is not smooth.
Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water.