Nicobond Gypfix is a rapid setting, white, gypsum based tile adhesive specially designed for fixing ceramic, porcelain and natural stone tiles to Anhydrite/Calcium Sulphate floors. It is designed for use in interior, dry situations and should not be subjected to immersion in water.Nicobond Gypfix is a high strength adhesive which achieves levels of bond strength on a par with traditional C2 category cement based adhesives. The product performs exceptionally well with undertile heating and other forms of UFH (under floor heating).Care must be taken to ensure the surface has been prepared correctly and moisture content readings taken in accordance with notes on page 112.