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My shop floor is troweled quite smooth. I am debating on whether or not to seal it. If I do, I am wondering if I should use a water based sealer. My reason for thinking this, is it seems as though everything is heading in the water based direction and I am concerned that if I ever needed to recoat in the future, all that will be available is water based. Looking forward to hearing comments and thoughts....thanks in advance.
 
Never understood why anyone seals a shop floor. A good troweled finish is enough. If I spill something on my shop floor, I throw a little dirt or fine sawdust on it and after it soaks a little while, I sweep it up.
My son sealed his and if it gets wet from condensation, it is like walking on ice. Luckily, his sealer is about worn off and it is much safer now.
Richard in NW SC
 
I used a water based concrete sealer. Worked well it even facilitates oil spills, they can be wiped up right away with very little to no stain. Also compared to a slab that was not sealed, it seems to not sweat/draw moisture as badly. worked for me! gobble
 
Well many concrete finishers apply a cure/sealant. This is to help the concrete cure slower. This coating IS NOT gas or oil proof.
 
The 2 part epoxy has been unbeatable for me. It cleans up well and is impervious to almost anything including acetone. I originally tried a water based sealer and it got gummy when in contact with anything including gasoline. I took a chance and put the epoxy over the water based and have not had any issues in 7 years.
 
it actually helps the concrete to cure faster by eliminating evaporation of moisture which the concrete needs to cure and has the added benefit of letting the concrete cure for a longer period of time because of the retention of moisture
 
1973 I started working for a GM dealer about 4 months before they opened a new building, beautiful building, new hoists, equipment, every thing. Had sealer on the floor, looked like glass, very slippery when wet, had a car wash toward the back with the brushes and a track to drag the cars in, then a test lane and cement block wall and body shop. The clean up dept. would steam clean engines in front of the car wash and a little grease on the floor made it impossible to stand up or drive on that sealer, lot of accidents back there, seen one car go clear through the block wall into the body shop, what a mess, lucky nobody got killed, but it was a nice looking floor while it lasted.
 
we sealed a lot of bridge decks with 2 part low modulus epoxy but broadcast silica sand into it before it cured to increase the friction coefficient---worked pretty well except that in that environment of hot/cold--wet/dry it would tend to spall in spots
 
I used epoxy with a non-slip additive for mine. Cleans up well, not slippery when it's wet and its held up well, been 4 years now. It's does mark up some but that really doesn't matter. I would do the same thing again.
 
As far as curing concrete floor, I have always kept it wet for at least a week and sometimes 2 weeks depending on conditions. I have 2 shop floors here and no cracks in either one. One of them is 29 years old and the other is 18.
Richard in NW SC
 
(quoted from post at 13:01:30 02/23/16) it actually helps the concrete to cure faster by eliminating evaporation of moisture which the concrete needs to cure and has the added benefit of letting the concrete cure for a longer period of time because of the retention of moisture

Does it cure faster or for a longer period of time?
 
My concrete finisher uses cure and seal as soon as it can be walked on. For what it's worth, don't think much of it when gas or oil gets on the floor.
 
I'm with the men who used 2 part epoxy. It has been on the floor of my shop for 10 years and although it's suffered some by dropping heavy metal objects, it has been very durable, easy to clean, resists gas, no unsightly stains. Yeah, I know it's a shop, but I like them neat. Do what makes you happy!
 
I used the water-based sealer the day after the floors were poured, both in the shop and then later the garage. The garage cleans up extremely well every other year when we host the family reunion. The shop floor has some stains from spills that did not get soaked up in time. IF I had running water in there and not as much stuff, I would have kept up on it better...
 

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