Abstract: An exemplary hard, inflexible flooring material or wall covering material is disclosed, such as a tile, having a top surface and a bottom surface, wherein the bottom surface is provided with a solid, primer layer having about 60 wt % to 100 wt % of a hydrophobic material, and which layer is present in a thickness between 0.001 to 0.5 mm. A method is disclosed of adhering a tile which has been provided with such a solid, primer layer to a substrate, the method including: applying an adhesive to at least a portion of the substrate; impressing the bottom surface of the tile into the adhesive; and, allowing the adhesive to dry. Alternatively, the substrate can be provided with such primer layer, and an adhesive and tile can be applied on the substrate.