joint against a wall or beam: verify hardware and tool access before hanging it fitting orientation & field verification duct joint against wall no room for cleat bolt screw tool access beam deck inaccessible backside a joint location is not workable unless the crew can install and inspect its gasket, corners, bolts, cleats, drives, screws, clamps, and sealant as required. this joint lands two inches off the wall, and i cannot install or inspect the backside hardware. can we shift the joint or change the section lengths before hanging it?