I'll look into the floorjunkies tiles.
The strange thing is, my property is on top of the hill but seems to collect water easily when it rains as if the water table is really shallow? It wicks water in the summer too, even when it's warm to hot outside you can move anything touching the floor and see near standing water. It dose not do it all the time, but it always feels damp in there. If I warm the shop up on a cool dry day, water starts coming up as the inside temp rises. You can see the concrete is dry and light colored, as it gets warmer the floor darkens in color and it feels real humid in the shop. There is a pea gravel curtain drain all around the shop about 4' deep, all the gutter down spouts drain into pipe that daylight out at the other end of the property. Strange thing is, my rather large attached garage is only about 1' higher and never has a problem, the crawl space under the house is atleast 2' lower than the shop floor and is dry all year around! I'm convinced I have a spring under my shop. I don't think there is any pressure when the water comes up through the floor, but I'm worried the epoxie sealer might lift. Maybe I could epoxie paint the floor and use the tiles on top of that.
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