I have an old carriage house that we use as a two car garage. It is 24′ X 24′ and has a double wooden tongue and groove fir floor. Under the garage is a full cellar. I would like to make a workshop under the garage but the floor from above leaks water from the cars when it rain or snows. I am looking for ideas on how to waterproof the floor so the water does not drip thru. The floor is on full 2 x 12’s 16″ on center. I have thought about the “car mats” that can hold water but am afraid of the equipment that will be in the lower cellar getting ruined. Any ideas ?? Thanks jpp
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mabey a thick coat of epoxy? keep us updated on how your shop comes along
The next level is here.... Turning.
a fairly simple way would be to run a layer of ice&water shield over the T&G floor, and then screw down a layer of CDX ply on that. You could paint the ply to keep it looking nice.
It might not keep out 100% of the water, but I would think it would be pretty close to that.