On this weeks episode of sealed for good we discuss how to waterproof over the top of existing tiles and find out the different things you should be looking.
Can you waterproof over existing tiles.
You can waterproof the new installation.
Just prepare and clean the area allow to dry apply the membrane and you re done.
A decorative coating for tiling floors but also tiling walls such as those of the kitchen or the bathroom and other elements shower stalls tubs sinks pieces of furniture.
After preparing the old tile use the high strength polymer modified thin set mortar and apply a skim coat of mortar over the existing tile to get a flat surface.
Then apply a liquid applied waterproof membrane over the cure skim coat.
It is possible to waterproof and tile over existing tiles provided the existing tiles are in good condition and firmly attached to the substrate.
Last but not least microcement.
Removing the existing bathroom tiles can be quite a task especially if there are plasterboard walls as the tile removal tends to pull large chunks of plasterboard away.
Then bond the new tile to the cured waterproof membrane.
Make sure that the tiles are not cracked loose or hollow sounding and that the level of the current floor allows for a height increase especially concerning door entrances.
Robert there are many different solvent based primers that you can use to etch out the surface of the existing tiles that enable and improve the adhesion of a wide range of coatings waterproofing membranes and tile adhesives over non absorbent surfaces such as porcelain tiles.
There s no need for rip outs long messy refurbs or weeks of inconvenience.
It is possible to tile over existing tiles but then you are relying on the initial layer of tiles being very sturdy the adhesive on this layer of tiles will have to support.
Clear waterproofing membrane is for use on both new and existing surfaces.
Not only is it waterproof making it ideal for kitchens and bathrooms many of the click and lock varieties can be installed directly over existing flooring with little to no prep.
It is a flexible membrane waterproofing system that bonds to almost anything.