Stop in for a cup of coffee

That was the same situation at my mom's house, except it was Channel not HD at that time.
I used some sort of cement type wall seal product. Dry-lock might have been the name?
They have dry loc
The drylock I have used is for inside the walls. Thats the only one I saw at HD
Henry's Wet or Dry patching material should serve that function. Shouldn't it?
I saw a bunch of Henry stuff for roofing. Not sure if that is good under ground. So many of these product have become water based, I’m leery of using them for something like this. Will run down to Ace in the morning. If I don't find anything made for it, I will get neoprene caulk and smear it on...