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Old 05-30-2021, 08:09 AM   #1
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Location: Elk Grove, CA
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L Track Installation - Backing Plate?

I see a lot of threads that mention L track but I can't seem to find one that addresses proper installation, particularly what should be used as an adequate backing plate for seat installation.

Can anyone help me with this?

2005 E350 Super Duty Ext Wheelchair Van
2002 Itasca 35U Motorhome
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Old 05-30-2021, 02:40 PM   #2
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Location: San Francisco, CA
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The installation I did w Q Straint L track was backed with Simpson Strongtie Bearing plates. They are available w 1/2" hole. I used a large very stout fender washer with the proper diameter washer hole for the 5/16" bolt to compensate for the 1/2" bearing plate hole.

Figured these are holding down my house!!
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