[Notanlines]

Stanley, the four lag bolts are screwed into a wooden cross member. I will say that once you've taken those bolts out and ready to put a new unit in, how bad can it be? What could pull the units loose? Oh, that's right. The Comcast cable left at 12' in the RV park. Camping World replaced four of the beams, the entire roof, all the plumbing vents, no telling what else and all is good.