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Everbuild 203 Accelerator & Frostproofer 5 Litre



Out of stock


EVERBUILD ACCELERATOR AND FROSTPROOFER is a chloride free liquid admixture for set acceleration and rapid hardening 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 (down to ?8°C). May also be used neat with cement as a plugging aid. Accelerator and Frostproofer is non-corrosive to metals so may be used with brick ties. Conforms to EN934-2 Table 7.


  • Faster finishing times even in cold weather.
  • Provides frost protection down to -8°C in wet mortar.
  • Chloride free non corrosive formula.
  • Optimises mould usage.

Areas For Use

  • Mortars.
  • Floor screeds
  • External>Internal cement based renderingConcrete (not structural)
  • Suitable for use as an emergency repair plugging aid when mixed neat with cement.


  • Do not overdose.
  • Do not use weak mixes during cold weather.
  • Do not mix with other additives in same gauging water.
  • Dispose of this product and packaging correctly.
  • Do not allow to enter watercourses.
  • It is the user’s responsibility to determine suitability for use.
  • If in doubt, please contact Technical Services Department for further advice.




From adhesives and wipes, to expanding foam, wood treatments and bonding, Everbuild have got it covered. Everbuild are a UK based company with a worldwide presence and one of the most trusted names within the builders merchants and DIY sector. It all began back in 1994 when self confessed DIY enthusiast, David Seymour, founded Everbuild. With innovative manufacturing and the ability to adapt to market needs, Everbuild quickly established a strong position and became market leaders. Over the years, Everbuild grew quickly and their products became industry favourites, stixall, wonder wipes and forever white to name but a few. More recently, in 2013, Everbuild was acquired by Sika and a new partnership was born, Everbuild - A Sika Company. This collaboration enables Everbuild to grow their business and Sika to strengthen their UK presence, giving customers even more products to choose from. Exciting times ahead. As the UK and Ireland's largest manufacturer of sealants, adhesives, fillers and building supplies, Everbuild continue to dominate the market with an outstanding product range. They have a passion for what they do and strongly believe that users will only come back if a product is good, so that's all they make! With sheer commitment and ultimate dedication to the industry, Everbuild now serve over 70 countries so you can be sure you are making the right choice with Everbuild.
Weight 5.5 kg