Cement Board Over Vinyl Flooring

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Cement board over vinyl flooring.

Use a notched trowel to apply thin set adhesive to the vinyl flooring. 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. Then spread thinset mortar with the flat side of a 1 4 in. To smooth the floor i covered screw heads and seams in the cement fiber board with thinset.

Most vinyl tile floors are thin enough to support the extra thickness of both the backer board and the tile. Cement board screws spaced every 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.

I have since decided to install vinyl sheet flooring. Hardiebacker cement board may be installed under or over vinyl composition tile vct and other resilient flooring. 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.

Embed the cement board and screw it to the underlayment with special 1 1 4 in. 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. 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.

Lay the cement backer board on the floor while the thin set is still wet. Position cement backer board. The cement board is not smooth. For best results remove existing floor covering especially if it is in poor condition again reading the installation.

Apply adhesive to floor. If thickness is an issue however 1 4 inch thick backer board can be safely installed.