This Frostproofer & Rapid Hardener 5ltr from Bond It is a high-performance building chemical that is used to increase the frost resistance while also accelerating the setting time of cement by improving the rate of hydration. This premium quality cement additive when added to the mix will improve workability, and increase strength gain and resistance to water penetration.

• Developed for brick laying and rendering subjected to low and sub-zero temperatures
• Increases rate of curing of mortar to reduce the possibility of cracking caused by frost
• Chloride-free formulation
• Non-corrosive
• Will not attack and degrade steel wall ties, reinforcements and other steel items
• Works by exothermic reaction
• Simply add to gauging water
• Allows up to a 15% reduction of gauging water and can reduce curing times and shrinkage
• Brand - Bond It