I'm building a saddlebag type of kayak rack on my dock walkway where the load-bearing cross beam travels under the walkway (vs on top as saddlebag implies).

The walkway stringers are comprised of two side-by-side 2x8s that run the length of the walkway, one on each side. I am trying to figure out what kind of mounting bracket I can use to hang my 2x6 crossbeam underneath that can be mounted (hung)enter image description here on the double 2x8s.

There are some truss framing brackets, but all I could find were the type you nail in. I would rather run a carriage bolt through to ensure integrity.

  • "I would rather run a carriage bolt through to ensure integrity." Are you worried about compromising the twin 2x8s? I don't see that any sort of concern with the nails (or screws) used to affix brackets of the type I think you want to use. Arguably a through bolt would weaken them more. But if you insist on using bolts just drill a custom hole through the bracket flanges for them, job done. – Graphus Jan 14 at 11:45
  • There is some overlap between us, but this is probably more appropriate (and will get more attention from) DIY.SE. – jdv Jan 14 at 16:23
  • Simpson Strong-Tie may make something that will work. Or hurricane ties, steel strapping, High-Performance Coiled Strap, ... Why not sister up some of the joists – Monte Glover Jan 15 at 0:31
  • Thanks for everyone's input. I'm going to use the truss brackets with screws. Although I don't think the carriage bolt would compromise the integrity of the twin 2x8s, it was a fair point to bring my attention to. I also hadn't thought about modifying the brackets to accept the carriage bolt which I can fall back on if I feel there is not enough stability with regular screws. I will consider DIY.SE next time I have a similar questions. Cheers! – user8146 Jan 16 at 13:13

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