We have a concrete patio off the back of our house. We had the patio poured up to the top of the rim joists, putting it almost flush with the door sills, so there would not be a lip there for our son who is in a wheelchair.
During very heavy rains, we get water leaking between the concrete, and the rim joist, eventually leaking into the basement.
I need some way of sealing this joint, so it can withstand the expansion/contraction of the concrete during summer and winter (Live in NE Ohio). My first round with caulk did not hold up very well - only lasted 1 season.
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