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Epoxy over 7 day old slab

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Well I checked the floor today. The carpenter is running 2 days behind so that gives me a little more open time. I installed one of the tests I will be doing to see the vapor emissions. I also tested the concretes pH level. It came out at 9.5. I will be doing the rapid RH test on it as soon as it arrives.

After checking a little more on my mix design, I'm finding that the dry shrinkage is reduced as well as lower permeability. It also has suppressed alkali and silica reactions and nearly no calcium hydroxides. The rapid drying and cement hydration will "hopefully" be in my favor. The tests will tell me a lot and I will report those findings on here.

As far as product warranties and such, yes, materials only. The vapor barrier epoxy which I'll use as a primer coat is suppose to hold back 12 -15 pounds of pressure. I don't like pushing those numbers. I was just wondering what else I should be looking out for. I think using my shot blast machine will open the surface and give the primer coat a good grab and saturation.

Humidity levels have been kept to around 52% which should help. It seems this specialty mix is becoming popular with the high performance concrete installers. If you guys have any other suggestions, please throw them out. Just trying to cover all my bases.





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Messages In This Thread
Epoxy over 7 day old slab - ec-Indy - 08-18-2011, 03:08 PM
RE: Epoxy over 7 day old slab - Ernesto - 08-18-2011, 07:30 PM
RE: Epoxy over 7 day old slab - ec-Indy - 08-18-2011, 10:29 PM
RE: Epoxy over 7 day old slab - Ernesto - 08-19-2011, 08:00 PM
RE: Epoxy over 7 day old slab - ec-Indy - 08-20-2011, 12:48 PM
RE: Epoxy over 7 day old slab - ec-Indy - 08-21-2011, 02:26 AM
RE: Epoxy over 7 day old slab - ec-Indy - 08-21-2011, 08:13 AM
RE: Epoxy over 7 day old slab - eaadams - 08-25-2011, 11:01 AM
RE: Epoxy over 7 day old slab - rthompson - 08-26-2011, 02:03 PM

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