Tilemaster Light Weight Adhesive – Standard setting wall & floor tile adhesive
Tilemaster Light Weight Adhesive – Standard setting wall & floor tile adhesive is a polymer modified, flexible standard setting cement based wall and floor tile adhesive. Light weight is made ising specially formulated lightweight fillers and additives to produce excellent non-slip properties, improved workability, higher yied and >60% extra coverage over traditional sand/cement based adhesives. Light Weight Standard has been formulated for fixing a large variety of tiles including ceramic, porcelain and natural stone tiles to all types of substrate including those subject to limited movement and /or vibration such as plywood overlay, timber framework and underfloor heating. Light Weight Standard is ideal for areas subject to prolonged or permanent wet conditions such as swimming pools. Light Weight Standard can be used internally and externally and it is unaffected by frost after setting.
Preparation of the substrate:
Before starting, all substrates must be clean, dry and strong enough to support the weight of the tiles and adhesive. Remove all dust, dirt, oil, grease and other contaminants that may affect adhesion.
Application of the product:
Do not use when temperatures are below 5°C. Tilemaster Light Weight adhesive should be added to water in a clean container whilst mechanically stirring and mixed thoroughly to give a soft, slump-free, easily worked mortar. The mixing proportions are 15kg powder to 8 – 9 litres water. Leave the mix to stand for about 3 minutes and then briefly remix. In ideal conditions, Light Weight adhesive will remain workable for 90 minutes, has an open time of 30 minutes and can be grouted after 5 hours. The tiled surface will be able to bear weight after 24 hours. On flat, even substrate where dry conditions exist, apply a thin contact layer of adhesive at a uniform thickness of 3mm and then rib using a notched trowel or spreader. Where substrate conditions do not allow thin bed fixing, apply Light Weight adhesive up to 15mm in thickness and then rib using the notched side of the trowel. Do not trowel out an area of adhesive greater than can be tiled over within a 15 minute period. Bed tiles into the adhesive using a twisting action, ensuring full coverage of adhesive between tile and substrate. Ensure there are no hollow spaces or pockets of air below the tile. When applying tiles that have deep studs on the back, we strongly recommend covering the studs with adhesive. When tiling externally, solid bed method of fixing is recommended.
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