Putting Cement Board Over Vinyl
I have since decided to install vinyl sheet flooring.
Putting cement board over vinyl. Examine the vinyl tile well for loose or peeling areas. When tiling over existing vinyl flooring on a plywood subfloor it s not necessary remove the vinyl flooring as long as you apply a layer of cement backer board first to provide a stable surface for the tile. But doing so is a very laborious time consuming process that is likely more trouble than it is worth. Screw down any loose area into the subfloor with 3 4 inch drywall screws.
When installing new stone ceramic or porcelain tiles over a vinyl tile subfloor thinset is definitely the way to go. Vinyl flooring glued over 1 4 in. Installing over wood. As long as the subfloor is 3 4 in.
Tongue and groove material screw the underlayment down right through the vinyl with 1 1 4 in. In fact i think it would create more problems than it would solve. No sir installing cement boards over concrete just isn t a very practical idea. Drywall screws spaced every 6 in.
Here s how to go about tiling a floor over vinyl flooring. Cement boards that some in sheets. To smooth the floor i covered screw. Thick cement board instead of the usual 1 2 in.
The best way to address any inferior concrete surface in preparing it for a tile installation is to use a direct approach. Hi i expected to install tile on my bathroom floor so i installed cement fiber board. The tile used on this. 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.
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. To install ceramic tile over wood the wood surface must be structurally sound enough to support the weight of the tile. Concrete floors should be mechanically abraded by some means. The trouble is that thinset generally requires a textured surface to bond at.
A better solution is to prepare and resurface the concrete slab so that it can accept thin set adhesive or a mortar base onto which to lay 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.