In addition to removing sealer you must also remove paint from the cement slab to get a good thinset bond.
How to install ceramic tile on cement slab.
Use the floor sander to remove the paint.
Also consider that doors cabinets and other hardware might need to be reworked or replaced with new ones to compensate for the higher floor.
Once a tile is set try to avoid touching it again.
The foundation is concrete slab.
For one outside wall the concrete ends about 1 inch from the wall.
Yet this application does make sense since concrete is heavy solid and is typically thought of as an unbending uncompromising material.
For an outdoor tile patio installation to be successful it needs a solid base and a concrete slab is an excellent choice.
Mix up a bucket of tsp tri sodium phosphate solution.
This is a mixture of cement fine grain sand and water that will adhere the new tile to the old.
Do i need to fill the gap with concrete before laying the tile.
The builders put down some sort of filler not concrete for this large gap.
Before you begin to lay the tile over your concrete slab make sure the concrete is properly prepared.
Tsp is a high strength cleaner which is useful for removing dirt grease and oil from your existing surface.
Lay the tiles into the mortar and using the spacers make sure you are running even with the chalk line.
We go over all the necessary steps for your concrete slab to come out perfect.
If you do not already have such a base read this article on building a patio with this material.
Scrub the floor with a brush and tsp and allow it to dry thoroughly.
As you move on to the subsequent rows use the spacers to keep your pattern square.
When it comes to mortar latex or epoxy options are best for installing tile over tile.
In this video we show you how to pour your basic 16 x 12 concrete slab.
I want to install ceramic tile in the bedroom.
The concrete should be properly cured be level to 1 4 inch in 10 feet and have a steel trowel or fine broom finish.
Installing tile directly on concrete.
Guide to installing tile over concrete slabs tiles can be applied directly to a clean smooth concrete slab with a latex portland cement mortar.
If you already have a slab in place that will save you some work.