Question 1: All documentation I've found on truss uplift comes from the metal plate connected wood truss industry, or refers to those trusses. Does the same principal apply to traditional joists and rafters like I have? I *do not* have what I consider to be trusses. I have joists meeting in...
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1.) Is separation arched or uniform? Slightly arched. A trip around the upstairs with plumb line and levels didn't reveal which was out of alignment, ceiling or wall -- only that there are no square or level surfaces anywhere in the house!
2.) House is located in Groton...
The non-weight bearing walls on one end of the second floor separated from the ceiling this winter. Paid one engineer who came, examined, and explained it as standard truss uplift -- roof joists kept warm in insulation stay dry while roof swells and expands, causing joists to arch and pull...