Quote:
Originally Posted by kent olsen
3" heavy screws. I may, this summer, cut off the short pieces and add them to the top braces this summer. Just a little more strength. Even though lifting the 750lb ramp of the 4 post lift, off my trailer didn't even cause a squeak from the roof.
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I would have used through bolts; here in the UK we call them coach bolts or carriage bolts. They have a squared end at the head end that will embed itself in the timber and allow a nut to be tightened without the bolts moving. Drill right through cross piece and rafter so you can push the bolts through and secure with a nut. Two bolts at each end will stop any rotation. This is what I did on my roof.
Roy