The beauty of a topical membrane like hydroban is that with the hydroban membrane being right below the tile there can be no deep wetting of the shower floor like with a traditional deck mud bed where the membrane is beneath a 1 to 2 thick layer of deck mud.
How to fix low spots in shower floor.
A brush probably would reach into the texture better than a.
If a gap appears under the center of the level it indicates a low spot if the level rocks back and.
Wet grout bonds with new grout better than dry will.
Use a trowel with a 1 4 to 1 2 inch groove to produce an extra thick mortar bed for the tiles.
An old toothbrush might work well as a scrubbing tool because the stains on your shower floor appear to be limited to a small area.
Your guy put 1 2 of mortar or mud on top of your hydroban membrane.
To fix wet the grout with clean water and re grout blending the new grout into the old.
A shower floor is not something you want to do over a hard mud surface.
Place the level on different areas of the floor and notice if it lays flat in all spots.
The walls are up and looking great but i need some advice on how i might solve the floor leveling problem.
Lay a flat board over the tiles paying attention to the uneven spots and beat the board with a.
Smooth the soap over the floor with a cloth.
You can use a small fan to speed the drying process as this can take days.
If there is no damaged grout cracks around shower floor perimeter.
This won t be a deal breaker and your wall tiles won t fall off or anything just something to think about.
Dust the shower floor with a thin layer of baking soda then wet a cloth with white vinegar.
Low grout spots are created when the installer wipes to much grout out of the grout joint during installation.
The preferred method is to pull your mud and lay your tile fresh allowing you to use a beating block 4x6 inch is more than enough using the block and riding at an angle to the tile beat the floor flat.
As it turns out i have some low spots on the finished surface along with a need to better level out the surface generally before i apply the thinset and lay down the flat stone floor tile.
The problem will be that the lower portion of the backerboard walls will not be completely secure until the floor is placed.
You can tile the walls then mud and tile the floor if you want.
The following may help.
Buy the porous plus impregnating sealer by miracle company.
Allow the soap to set overnight.