Expanded polystyrene is a lightweight, but at the same time durable material that has minimal water absorption, which is very important for insulation from the inside. Polyurethane foam is characterized by high adhesion to any type of surface and monolithic coating.
Laying ceramic tiles on a painted surface is possible provided that high-quality paint has been applied to the base and it holds very firmly on the surface, without having any hints of peeling, cracking or peeling.
If you have at least the slightest doubt about the strength of the old tile layer, it is better not to risk and remove it. If you are confident in the reliability of the old facing coating, then choose a high-quality adhesive material, for example, Teknofay 200 D2TE and feel free to get to work.
Glass mosaic is a kind of decorative facing material, which is characterized by increased wear resistance and resistance to frost and high temperatures.
To create an epoxy self-leveling floor, it is necessary to use 2 materials: an epoxy primer and a liquid working material to create a self-leveling floor.