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Epoxy over 7 day old slab
08-18-2011, 03:08 PM
Post: #1
Epoxy over 7 day old slab
OK, guys. Thought I'd throw this out to you. I poured an interior 4" concrete slab and will be attempting to place a 100% solids epoxy flake system on it in 7-8 days. I used a high range water reducer with micro silica in the concrete mix. 6 Bag, gravel poured at about a 4" slump. I placed a 15 mil vapor barrier under the slab and taped all openings real well. Here's what I'm going to try, let me know what you think.

I will be spraying denatured alcohol on the concrete for 3 days before epoxy placement to "help" pull out surface moisture so the slab can hydrate quicker. I will be applying 2 coats of a water based epoxy vapor barrier primer that's "suppose" to suppress up to 12 lbs. pressure.

I finished the concrete with an open float finish to not to trap moisture. I will be either spiral grinding or maybe even shot blast the surface before I apply the vapor barrier epoxy. I will be doing a RH test before I start. Am I pi$$ing in the wind and do you have any other suggestions? thank you in advance. gene
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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