A premium quality additive that increases frost resistance and accelerates the setting time of cements by improving the rate of hydration. Specially developed for brick laying and rendering subjected to low and sub-zero temperatures. Added to the mix, this product will improve workability and increase strength gain and resistance to water penetration. It allows up to a 15% reduction of gauging water, and can also reduce curing times and shrinkage. Will not degrade steelwork or wall tiles as chloride free formulation.