SET IN STONE
Tilemaster Adhesives provides a guide to fixing natural stone and ceramic tiles.
Tilemaster Adhesives offers a full range of professional adhesives which are suitable for tiling with ceramic, porcelain and stone for all substrates, tiling materials, and site conditions.
Where a flexible adhesive is required, Tilemaster Adhesives has a choice of standard, semi-rapid and rapid setting products in the Setaflex range, a polymer modified, flexible cement-based wall and floor tile adhesive. Both Setaflex Standard Set and Semi-Rapid Setaflex have been specially developed to give an extended pot life, making them ideal for working with larger, difficult to manoeuvre tiles. They can be used both internally and externally on almost all substrates, including timber, and are excellent for use in areas exposed to prolonged wet conditions.
Tilemaster Standard Setaflex has a pot life of three to four hours and can be grouted after 24 hours. The Semi-Rapid version offers a great compromise between extended workability, with a pot life of 90–120 minutes, and a fast setting time, as it will accept light foot traffic and grouting after six hours. Rapid Setaflex has a pot life of 30 minutes and can be walked on and grouted after approximately three hours.
Where no flexibility from the product is required, Tilemaster Standard Set Extrabond has been specially formulated with increased adhesion and non-slip properties. It has the same three-to-four-hour pot life as Standard Setaflex and is suitable for fixing a wide variety of tiles to solid substrates.
When tiling natural stone, it is important to pick the right adhesive. In general, it is best to use a modern, polymer-modified adhesive such as Tilemaster Setaflex and Ultimate ranges which are suitable for use with most types of natural stone. Grey adhesives can show through light coloured limestone and marble, so it is advisable to choose a white version.
Certain very porous stones and quartz are more likely to absorb water and for these, Tilemaster Adhesives recommends Tilemaster Ultimate. Its low water content, rapid setting time and the fact that it is polymer modified all help to avoid both curling and staining which are the two main issues with these types of stone. Tilemaster Ultimate was developed as a flexible adhesive for use on a large variety of difficult to tile substrates including fibreglass and metal surfaces.
All stone should be solid-bedded and larger tiles back buttered to enhance adhesion. The tiles should be grouted with Tilemaster Grout 3000, a flexible, fast setting wall and floor grout which can be used for joints between 1mm and 20mm and will not scratch softer polished stones such as some marbles.
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