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Construction chemicalsIs it necessary to use priming emulsion before fixing ceramic tiles?Priming emulsions fix the particles of dust and dirt, they level the absorption of the surface and to improve its adhesiveness. Manufacturers of construction chemicals recommend using primers both on absorptive surfaces, (concrete, cement plaster), and on non-absorptive surfaces (lastrico, oil paint). I have a freshly-poured terrace slab . Can I insulate it? What chemical do you recommend?The sealing mortar SOPRO DSF 523 is particularly recommended for the sealing of balconies and terraces. Due to its permeability to vapour it may be laid on fresh concrete I have heard about the necessity to apply liquid film. I would be grateful for a piece of advice where to use it? Ceramic facing surfaces (regardless of the material filling gaps) are not waterproof. It means that, in the bathroom and kitchen, it is also necessary to take care of the areas to be sealed surrounding the bathtub, shower cubicle, washbasin, or a sink.
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