Where can I buy 12" x 4" Mending Plates???

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Old 01-22-13, 02:39 PM
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Where can I buy 12" x 4" Mending Plates???

I'm looking for 12" x 4" pronged, nail-in mending plates. The ones already in use in my attic don't have any manufacturer marks. HD and Lowes don't have them and Google doesn't turn anything up. Anyone?
 
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Old 01-22-13, 04:27 PM
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Have you checked the Simpson Strong Tie website? They probably have what you need.
 
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Old 01-22-13, 05:06 PM
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Are the ones in your attic on trusses?
 
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Old 01-22-13, 05:26 PM
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The largest Simpson makes are 3x6.

Yes, they are on the trusses. I had storm damage and a few of the plates needed to be removed. Now I can't seem to find 'em.
 
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Old 01-22-13, 05:43 PM
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Old 01-22-13, 09:52 PM
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Bison doesn't have them either. I've tried searching the web for numerous interchangeable terms like "pronged truss plate", but I'm still coming up empty handed. It's driving me crazy since I know they exist!
 
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Old 01-22-13, 10:06 PM
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The Simpson catalog clearly says that their mending plates (such as the 3x6 MP36 mentioned earlier) are for non-structural applications only and are not for truss applications.

If your trusses still have the tags on them, you might be able to get some information from the manufacturer. If trusses need to be modified or repaired you usually need to seek the advice of either the manufacturer or a structural engineer. Mostly this is for liability's sake. So that when or if something should collapse, the carpenter can say that he did it exactly the way the mfg/engineer proscribed. Anything else is flying by the seat of your pants.
 
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Old 01-22-13, 10:18 PM
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The gusset plates used to manufacture engineered wood trusses are set into the wood using a high pressure ram. I don't recommend trying to use them for in place repairs, even if you could find them, because you wouldn't be able to install them correctly. You might consider making gussets with 3/4" plywood. Don't skimp on the dimensions because you are dealing with some substantial loads above a living space.
 
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