Thanks JAE and SLTA. Agree, opening up the dry wall ceiling is probably easier than the roof.
Would still appreciate any product recommendation for a thermal imaging camera and stud-finder that worked well for you. Thanks!
Hi, I am seeking advice from anyone with experience in large residential, flat wooden roofs. I want to map out the support beam structure under flat roofs without having to rip open the roofing. Pic below. Most old buildings in NY City don't have any blueprints. I'm looking for something better...