Concrete curing agent vs sealer

[ericm]

The concrete for my pole barn style shop is going to start this week. The contractor wants to use a curing agent. I'd planned on applying a sealer like TS210 after the concrete cured, but the instructions for it say that the surface must be clean and free of the curing agent. Can pressure washing remove the curing agent? Or would I need to do something else?

Right now it looks like low temps will be around 45-50 and highs in the mid 60s to mid 70s. The building doesn't have doors on it yet so the wind can blow through.

 

[Rusted Nut]

If you are going to use a sealer, make sure it's compatible with whatever curing compound you use. If not, skip the curing and jus keep it wet for a few days; does pretty much the same thing.

 

[Shea]

Most cure-and-seals are fairly permanent. However, a few are what's called dissipating curing agents. They are designed to flake and wear away from traffic and basic weathering. They can usually be washed away with a pressure washer. If you use one, make sure it's dissipating or you will need to grind first before applying anything else once the slab has cured.

 

[ericm]

Most cure-and-seals are fairly permanent. However, a few are what's called dissipating curing agents. They are designed to flake and wear away from traffic and basic weathering. They can usually be washed away with a pressure washer. If you use one, make sure it's dissipating or you will need to grind first before applying anything else once the slab has cured.

The dissipating agent sounds like what he was describing to me. I'll make sure that's what it is and that he's seen it get washed off.

Keeping the slab wet would be somewhat of a problem as there's not yet water on site and I won't be there. Not insurmountable but he'd have to bring in a portable tank and pump and send a guy each day.