The back of the brick slip is smooth, you can easily install them onto walls. Granulated Wide Joint Filling Mortar 6-20 mm (20 Kg) orC2TE S1 Kalekim Technoflex Wall & Floor Deformable Tile Adhesive (20 Kg) orC2FT Kalekim Rapitech Fast Setting Tile Adhesive (25 Kg) for maximum performance of your tiles.
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