That plywood will fatigue and continue to sag putting stress on the center of the counter top.
Plywood backing for wall tiles.
Kyle you should install some sideways 2x4 or metal cross bracing under the plywood that extends from wall to wall at or near the front and again half way back of the countertop.
Remove the tile and prepare the wall according to the corresponding instructions above or tile over the existing tile.
You need a completely solid and stable base for the marble slab.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
To do so make sure all of the tiles are intact and secure.
Start with the backing spreading a line about 1 in 2 5 cm from its edges.
H white peel and stick decorative mosaic wall tile backsplash 4 pack smart tiles is the original made in north smart tiles is the original made in north america do it yourself peel and stick backsplash tiles.
Metro campagnola 11 56 in.
Repair any loose or cracked tiles.
Especially designed for backsplash in kitchen and bathroom environments the tiles are resistant to the heat of stovetops and the humidity of.
Since plywood is often used as an underlayment for floor tile some do it yourselfers may believe that it can also be used in shower wall applications.
The silicone or urethane adhesives should work too but the thin set mortars are easier to work with and easier to get full adhesive contact between the tile and its substrate.
Wash the wall with tsp tri.
While plywood is not recommended as a wall substrate for the direct fixing of tiles the advice for floor tiling remains the same as per bs 5385 part 3.
This is not true.
If possible you should always use concrete board underlayments rather than plywood.
There are thin set dry set mortars design specifically for adhering ceramic tile to plywood that is designated as an ansi a118 11 thin set mortar.
The glue comes in a squeeze bottle so it s easy to apply in neat lines.
Under british standards bs 5385 part 1 plywood has now been excluded as a suitable substrate material for the direct fixing of wall tiles therefore when tiling on to walls a tile backer board is required however tiling onto plywood floors is still acceptable under british standards.
However while plywood is not recommended as a background for direct wall tiling it can still be used as a structural board when overlaid with a suitable tile backing board particularly where installation of mechanical fixings is required e g.
Use an industrial strength glue to secure the tile to the backing.
For the best results when tiling onto plywood floors follow these instructions.
For mesh backed natural stone where it is not possible to remove 75 of the mesh backing.
Then apply a separate line of glue along the edges of the tile.
For wall installations plywood is overkill beneath the concrete or fiber board which is designed in five eighths inch material for wall settings.
The preferred method for tile installations is to use a sheet of underlayment.
