How to fill and paint over chip in powder coated aluminum chair

aluminumcaulkinggappaint

Not sure whether due to weather/humidity changes or what, but a pretty new outdoor chair that we have has warped and cracked. It's made out of aluminum and powder coated. Whats the best remedy here?

The gap should probably be sealed – I was thinking some stretchable outdoor caulk? (Would like to avoid any metalwork as I don't have the tools for that) Pillows will be put on the spot and folks will be sitting on it so there will be quite a bit of friction.

And then painted over (just wanna cover the spot, not repaint the whole chair) Just aluminum primer and a similar color outdoor paint?

Thanks in advance!

The crack
The chair

Best Answer

This looks like a stress fracture in the powdercoat. So covering it may only temporally fix the problem. Zinc chromate is the best primer for aluminum I would chip the section that is loose and prime (there are some paints that are for aluminum that etch as they are applied so no primer is needed) I would then paint with a matching color, it is possible the crack was from a small area that did not get fully cleaned prior to the powdercoat. You may be able to get a replacement since it is new. I would at least ask and if not prime and paint.

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