Measure perimeter tiles by laying the tile flat on the surface so that it touches the edge and overlaps the last full size tile installed on a row.
How to wall tile on plywood.
Remove any remaining dust oils and grease from the wall with tsp tri sodium phosphate or an ammonia based cleanser.
You will then need.
Clean and heavily score area to where tiles are to be fixed it sounds like the adhesive does not have a rough surface in which to secure itself to.
There are two materials commonly used for laying ceramic on plywood or osb that are applied before the tile.
To be sure maybe drill up to 6 evenly spread out holes in the plywood at least 4mm deep or straight through in the areas to be tiled so the adhesive sinks into the holes and hardens hence creating a stronger fix.
Start by measuring the room.
Step 2 prepare the bathroom.
Step 5 start installing.
Plywood makes a smooth underlayment for peel and stick tiles.
How to install bathroom tile on plywood.
It should be fastened to the subfloor using thinset and then screwed down every 10 square.
For wall installations plywood is overkill beneath the concrete or fiber board which is designed in five eighths inch material for wall settings.
Because plywood is porous and installed in sheets to create a subfloor some preparations are necessary.
Concrete board concrete board also called backer boardcomes in 1 4 and 1 2 thicknesses and is usually sold in 4 x 6 sheets.
Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick.
Step 1 measure.
Scrape the wall to remove any texture and to create a flat surface.
Step 4 center.
Get the dimensions of the room and then multiply them to get the square footage.
If you are tiling on a plywood floor with tiles above 400mm x 400mm in size or heavier tiles made of stone we recommend using an ultra flexible adhesive s2 such as bal fast flex.
If you are unsure if the floor is stable enough always fix tiles using an ultra flexible adhesive s2 like bal fast flex.
If possible you should always use concrete board underlayments rather than plywood.
Patch any holes or cracks with spackling compound and sand the entire surface with medium grit sandpaper.
Vacuum to remove dust.
While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself.
Step 3 concrete board.