Our Echo Circle Colour tiles evoke memories of far-flung places and ambient discoveries. Whilst this tile is classed as anti-slip, different installations require a differing degree of slip resistance. If you are unsure please contact us for details. This tile is NOT suitable for use on sloping areas of pathway. GROUT COLOURS DESIGNER TIP - Don't leave your grout colour to your tiler and don't forget to select a coordinating silicone for the perfect finish. Our design team suggest you keep it simple with Grout colour 08 Cement to pair well with the faux grout line in the tile. Recommended Grout Joints - We have assumed that your substrate has a perfectly flat and plumb surface, please check with your tiler. 3mm grout joint. Based on this joint size, 1 bag of grout would cover 15m².