Just for future reference here's what i did:

Cement tile no grout. Tile cannot be attached directly to painted concrete, as the thinset will not adhere well to the paint. Cementitious grouts come in a range of colors that let you match or contrast with the tile. No doubt, setting, and hardening are the two main features always to consider while looking for grout for tiling.

Don’t forget to take proper measures to prevent cement tile grout stains! Let it sit for a few minutes then sand over top with pretty gritty sand paper (100. Get cement based tile grout to ensure there are no leakages between joints and tiles.

Piraat removes all severe contamination. Lightly wash and rinse the tile off. This makes it much grittier and porous which means it absorbs water and is a pore sealant.

Therefore, stresses can occur when the temperature of the floor changes and that is why there. On exterior installations or very wet areas such as bathrooms, use wider grout lines with sanded grout. Grout is considered one of the most essential elements to harden tiles.

For a thorough cleaning of your cement tiles after removing the grout haze, or if there was no grout haze present, it is best to use piraat. Jig'smart white grouting paste for bathroom tiles crack filler waterproof tiles gap filler agent grout sealant tube for bathroom & kitchen tile waterproof tile gap/crack/grout. Don’t let grout haze dry.

Epoxy grout solidifies quite fast as compared to cement grout, and the fact that it’s resistant to other substances, you need not worry about sealing the surfaces. Concrete) have different thermal expansion coefficients. Unless the surface beneath the tile has been thoroughly waterproofed, without grout, you run the risk of having moisture seep into the wall or floor underneath.