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I NOW HAVE A 14' X 16' SHED I PLAN TO USE TO PARK MY SPEEDY THE FLOOR IS TWO LAYERS OF 3/4" PRESSURE TREATED PLYWOOD 8" OFF THE GROUND I WOULD LIKE TO USE AN EPOXY PAINT FOR MOISTURE PROTECTION AND DURABILITY ONE PAINT COMPANY SAYS NO THE EPOXY WILL CRACK WITH THE SWELLING AND SHRINKING OF THE WOOD BENJAMIN MOORE SAY IT WILL WORK FINE ONLY A VERRY SLIGHT CHANCE OF CRACKING IF THE SURFACE IS WELL PREPARED ALSO THIS IS NOT HEATED SPACE HAS ANYONE USED EPOXY PAINT ON WOOD FLOOR???? THANKS DAN
1957 Vintage Speedsters(Speedster)
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I NOW HAVE A 14' X 16' SHED I PLAN TO USE TO PARK MY SPEEDY THE FLOOR IS TWO LAYERS OF 3/4" PRESSURE TREATED PLYWOOD 8" OFF THE GROUND I WOULD LIKE TO USE AN EPOXY PAINT FOR MOISTURE PROTECTION AND DURABILITY ONE PAINT COMPANY SAYS NO THE EPOXY WILL CRACK WITH THE SWELLING AND SHRINKING OF THE WOOD BENJAMIN MOORE SAY IT WILL WORK FINE ONLY A VERRY SLIGHT CHANCE OF CRACKING IF THE SURFACE IS WELL PREPARED ALSO THIS IS NOT HEATED SPACE HAS ANYONE USED EPOXY PAINT ON WOOD FLOOR???? THANKS DAN
Epoxy has a linear thermal expansion rate 10 times greater than wood. Will it crack? Most likely, because it's going to be difficult to get a wood surface clean and prepped well enough to provide good uniform adhesion across the whole surface, which would make the paint stretch evenly and not crack. Polyurethane is about the same.

Epoxy only expands 3.9 times more than concrete, so it's a lot less likely to crack in that case.
A long time ago (70s) we used to use something generically called "traffic paint". We used it on concrete floors and steel stair cases inside the manufacturing plant. It contained ingredients to stand up to heavy wear - in my case, foot traffic, fork lifts, work carts, and so on. Finish was sort of a flat matte texture. Variety of colors available. Maybe do a search for it on google?
If it's pressure treated you needn't worry about moisture protection.
If it's not coated now and has been installed and dry for a year or more you can put an " oil based" deck stain , either solid or semi -transparent on it with good results. Don't use latex/acrylic, hot tires will lift it. The tires will probably discolor it in time but it is easily recoated. Tom
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