Roof Rack Build Question

Roof Rack Build Question

Postby TPP [OP] » September 1st 2020, 3:28am

I'm planning out a roof rack now and had some questions.

-Which roof strut do you attach to the ones that run left to right or front and back?
-How long do the bolts need to be to get through the roof struts? (I haven't pulled my headliner yet, it's been raining for a few days straight now)
-How stiff and strong is superstrut?

I'm debating on making the whole thing out of superstrut or using box steel for the mounting brackets and/or support bars.
Here's a cool build using only superstrut. https://www.tacomaworld.com/threads/erm ... ld.433500/
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Re: Roof Rack Build Question

Postby 97cargocrawler » September 1st 2020, 3:44am

TPP wrote:-How stiff and strong is superstrut?


You need to head to the hardware store and see for yourself.

The bolt lengths will vary because the distance between the roof sheet metal and support struts varies immensely. You also need to make different thickness spacers to take up that gap or you will crush the roof.

Consider welding wherever possible to avoid the weight of brackets and strut nuts. Strut (brand names Unistrut, Powerstrut, Bustanutstrut, etc) is very sturdy, the brackets are very heavy. Galvanized strut will give off some nice fumes when welded.

I feel like we need the engineering opinions of a pilot here, lol.
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Re: Roof Rack Build Question

Postby TPP [OP] » September 1st 2020, 4:12am

Thanks.

Do you have any pics of where you tied into the roof strut? I know they're cupped. Didn't know if you guys w/ custom racks aimed for the center of it or just clipped the flange of it.
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Van Make/Model: GMC Safari
Extra Info: SLT AWD

Re: Roof Rack Build Question

Postby 97cargocrawler » September 1st 2020, 4:35am

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