What is the recommended caulk/product to use to keep out water between vinyl material and concrete slab? My garage has siding material all the way down to the concrete slab and I have used silicone caulk to seal the gap between the siding J Channel and the concrete, however after about a year the caulk seems to break down and stop doesn't form a good seal any longer. Picture is below of the wall. I'm trying to prevent water from outside from seeping under the wall inside. Picture is below. Thanks in advance.
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