funny you say irregular, cause my in-laws place was built in 1911 or 1914...two documents contradict each other...and has survived many an earthquake. this house is now so far off from square it's hilarious!I'll let you know when I'm done. The biggest challenge for any suspended ceiling in my place is the geometry, it's very irregular;
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(Brown lines are interior walls, purple is bulkheads for HVAC or sewer lines, green is a support beam that goes up to the joists). Might endu up
