Everbuild accelerator and frostproofer is a liquid admixture for the acceleration of setting time of cement based mortar concrete screeding and render also provides frost protection in the wet mortar during the setting period even in sub zero temperatures chloride free benefits faster finishing times even in cold weather provides frost protection down to 8 c in wet mortar optimised mould usage areas of use mortars not metal reinforced floor screeds external internal cement based renderin