Everbuild Accelerator & Frostproofer is a chloride free liquid admixture for set acceleration & rapid hardening of cement based mortar concrete screeding & render. Also provides frost protection in the wet mortar during the setting period; even in sub-zero temperatures (down to ļ ½C). May also be used neat with cement as a plugging aid. Accelerator & Frostproofer is non-corrosive to metals so may be used with brick ties. Conforms to EN934-2 Table 7.