UniBond Ultra Force contains fibre technology for ultimate durabilityThe formula is waterproof to protect against mould for long lasting results .The drying time is 24 hours and it is suitable for ceramic, porcelain, mosaic and natural stone surfaces, so can be used in all rooms. The high grab non-slip formula makes it easy to use for a your tiling jobs.How to usePreparation:1. Walls must be flat, rigid, dry and clean. Prime dusty or wooden surfaces with UniBond Super PVA diluted with water2. Mark a horizontal line one tile plus one grout space, from the bottom of the area to be tiled.3. Use a plumb line to mark a vertical line down the centre of the wall. Adjust as necessary to avoid awkward or thin cuts. Begin tiling at the intersection of the lines.Application of adhesive1. Apply the adhesive of the wall using a tiling trowel2. Fix tiles within 30 minutes of spreading the adhesive. Bed the tiles firmly using a twisting action. Use tile spacers to ensure evenly spaced grout lines. Remove excess adhesive immediately with a damp cloth.3. Tile small areas at a time finishing with the bottom rowGroutingLeave ceramic tiles for at least 24 hours before grouting. For porcelain, large tiles and when tiling over existing tiles, leave for a least 72 hours or, until the adhesive has fully dried.