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Building Investigation For Dummies

On the left, the original brick high parapet from the 1910s. On the right, the side of a roof bulkhead for a new stairwell installed in the 1990s. There is no toothing between new and old masonry, and there are no metal ties.

I wonder why there’s a crack.

I may make this a series, but, honestly, it’s so depressing.

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