Aluminum roof cross bar cleaning
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Junior Member
Joined: Jun 2015
Posts: 18
Aluminum roof cross bar cleaning
Any recommendations on how to restore the roof cross bar. I used the mother's aluminum and mag cleaner also used the quick glo cleaner but there is still a stain on them. I want to get the original smooth look they had…
Senior Member
Joined: Jul 2007
Posts: 831
From: Pacific NW
Here is your definitive answer:
Use hydrofluoric acid to remove stains from aluminum. That is go-to product for bare aluminum.
But these days it is hard to find. Look for the ingredient on wheel cleaners. This is the acid they used to use on non-coated mags (aluminum wheels).
It is harsh, and people don't know how to work it, so they have been phasing it out.
Forget any with other surfactants, they do not work well. Start diluted, work up to full strength if required.
Easy peasy.
Use hydrofluoric acid to remove stains from aluminum. That is go-to product for bare aluminum.
But these days it is hard to find. Look for the ingredient on wheel cleaners. This is the acid they used to use on non-coated mags (aluminum wheels).
It is harsh, and people don't know how to work it, so they have been phasing it out.
Forget any with other surfactants, they do not work well. Start diluted, work up to full strength if required.
Easy peasy.
Member
Joined: Oct 2018
Posts: 80
From: Prescott, Az
Powder coat
Tried for a couple days cleaning and polishing. Never tried clean and clear coat. Had them powder coated black in a finish to match front grill guard.
worked great for me. $200, they striped, prepped, and coated
worked great for me. $200, they striped, prepped, and coated
Last edited by Eagle; Nov 10, 2021 at 05:00 PM.
Senior Member
Joined: Jul 2007
Posts: 831
From: Pacific NW
Restoring roof crossbars involves a few key steps. Firstly, clean them thoroughly to remove dirt and debris. For metal crossbars, consider using a mild abrasive cleaner to eliminate oxidation. If rust is present, sand the affected areas and apply a rust converter before painting. For plastic or rubber components, use specialized cleaners to rejuvenate and protect against UV damage. Repaint metal crossbars with a suitable primer and paint for a fresh look. Assess any damaged or worn parts, replacing them if necessary. Regular maintenance with UV-resistant coatings can prolong the life of plastic or rubber components. Overall, meticulous cleaning, rust treatment, and protective coatings are essential for effective roof crossbar restoration.
The H2 has aluminum crossbars. They do not rust, nor need to be painted, unless someone wants to change the color.
Surfactants will not restore stained aluminum.
Last edited by finall; Jan 3, 2024 at 01:01 PM.
Super Moderator
Joined: Jul 2007
Posts: 13,090
From: Boat Town USA MI
Restoring roof crossbars involves a few key steps. Firstly, clean them thoroughly to remove dirt and debris. For metal crossbars, consider using a mild abrasive cleaner to eliminate oxidation. If rust is present, sand the affected areas and apply a rust converter before painting. For plastic or rubber components, use specialized cleaners to rejuvenate and protect against UV damage. Repaint metal crossbars with a suitable primer and paint for a fresh look. Assess any damaged or worn parts, replacing them if necessary. Regular maintenance with UV-resistant coatings can prolong the life of plastic or rubber components. Overall, meticulous cleaning, rust treatment, and protective coatings are essential for effective roof crossbar restoration.
READ: Old Threads/'Necro-Bumping'
Last edited by Doc Olds; Jan 4, 2024 at 11:50 AM.
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