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Old 08-07-2019, 12:40 PM   #1
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Unistrut vs. 8020 for penthouse roof

This thread got me fired up to redo the roof on my RB-50 manual penthouse top.

In researching Unistrut I am seeing quite a bit of mentions on other forums of 8020. The 8020 looks to be quite a bit more expensive, but seems to have a lot more attachment options than unistrut. It also looks more difficult to install.

What I am hoping to achieve with this project is:

- Remove my Yakima tracks and replace with either unistrut or 8020
- Remove my Yakima cross bars and replace with either unistrut or 8020
- Mount (1) or possibly (2) solar panels to the top

What I routinely carry on my roof is:

- (1) or sometimes (2) yakima skyboxes (side by side mounted to the crossbars)
- (1) solar panel
- surfboards (but I also have surf hooks on the side of the van so only use the roof for traveling long distances)

---

Thanks for any insight!
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Old 08-07-2019, 05:24 PM   #2
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My choice would be Unistrut. I find it easier to work with and the basic nuts, angles, and joining pieces are available in the electrical department of Home Depot.
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Old 08-07-2019, 08:08 PM   #3
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Are you concerned at all about corrosion?


Unistrut is steel and 8020 is aluminum....
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Old 08-07-2019, 08:28 PM   #4
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Unistrut comes in aluminum too. It's what CCV is putting on my poptop.

http://https://www.unistrut.biz/aluminum-unistrut/
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Old 08-08-2019, 11:37 AM   #5
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Otter - Do you know what gauge/type/height/width of Unistrut you are getting installed?
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Old 08-08-2019, 09:37 PM   #6
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Quote:
Originally Posted by clicker44 View Post
Otter - Do you know what gauge/type/height/width of Unistrut you are getting installed?
It’s spec’d as “industrial 1 5/8 squared alloy unistrut”. I’m having it powder coated black.




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