Before starting a tiling job, testing the substrate is crucial in order to avoid claims and to guarantee a long-lasting result. For this purpose, the areas are inspected visually and, if necessary, subjected to a mechanical and chemical test. This includes important steps like measurement of moisture (floor), checking substrate conditions, grinding the surface (CSA) and priming.
Basically, the surface must fulfil the following conditions: it must be sufficiently load-bearing, dry, even and free of dust and grease.