For dry screed on cement foundations and lime sand with a 0-3 mm granulation. It improves the quality of your work. It is produced using modern technology and with it you gain elasticity in your cement layer. For manual treatment one sack of Renofix 970 is mixed with 4 litres of water. It can be mixed manually or automatically. Renofix 970 should be used within one hour of mixing. Then it has to be levelled and sanded. The minimum functional temperature is 5°C.