Masonry repair
Stone Sills That Drain the Wrong Way: Negative Slope on a Chicago Wall
A stone sill that slopes back toward the wall feeds water into the masonry. BIA lists neutral or negative slope on sills as a structural indicator.
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Tag: weep holes
Masonry repair
Weep Holes in Chicago Brickwork: Why Yours Are Pointed Shut
A weep hole is the exit door for water already inside your wall. BIA anticipates that maintenance work will seal them shut. Here is how to check yours and what to do.
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