Cement Board Over Vinyl Flooring

The floor is now smooth.

Cement board over vinyl flooring.

Cement board over sheet vinyl i can see the ill effects that can happen when tiles are set directly over non cushioned sheet vinyl and especially cushioned sheet vinyl. 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. Whether you have wood sub flooring or a concrete slab follow these six steps and you can install tile flooring over vinyl. Apply adhesive to floor.

I have since decided to install vinyl sheet flooring. Use a notched trowel to apply thin set adhesive to the vinyl flooring. Then spread thinset mortar with the flat side of a 1 4 in. Here is my concern.

If the subflooring is thin and lacks stiffness one remedy is to install a layer of new plywood subfloor over the resilient flooring followed by a layer of thin cement board. Tape the seams lay cement board fiberglass mesh tape over all the seams it s sticky on one side. Notched trowel and use the notched edge to comb the mortar. The cement board is not smooth.

To smooth the floor i covered screw heads and seams in the cement fiber board with thinset. For best results remove existing floor covering especially if it is in poor condition again reading the installation. Hardiebacker cement board may be installed under or over vinyl composition tile vct and other resilient flooring. Lay the cement backer board on the floor while the thin set is still wet.

If thickness is an issue however 1 4 inch thick backer board can be safely installed. Cement board screws spaced every 4 in. Can you install tile over vinyl flooring how to install cement board on a floor the family handyman how to install backer board durock for floor tile you how to tile over vinyl flooring today s homeowner whats people lookup in this blog. I do not see the ill effects with installing cbu over sheet vinyl except is is going to take days for the thinset under the cbu to dehydrate.

If removing the vinyl or linoleum before tiling appears to be an easy task it may be better to do this rather than tiling over it. Most vinyl tile floors are thin enough to support the extra thickness of both the backer board and the tile.