Over night spray what's the best retarder ?


Active Member
its that time of year for the next day scratch has any one put a retarder in krend k1 spray ? if so what's the best one to use ?


TPF Special Forces
I use Tardex but Parex reckon it does not re***d the set it re***ds the open time giving you more time to play with it.

Got a forein one coming so I will experiment. It is made for the ready mixed concrete industry so guess work how to dose it.