I want to mount a chin up bar to engineered I-beam floor joists. Am I safe to mount it directly up into it with lag bolts? If the spacing isn't correct and I span some joists with 2x4s, should I run ...
I'm renting a house that was built about 10 years ago. The attached, finished garage is under the master bedroom. It has two large beams running across it, see picture. The larger one is 6.5" ...