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Rust stains on metal siding

Posted: Wed May 06, 2015 9:08 am
by astegall1978
I have rust stains running down the front of my home. It's a 16x80 metal on metal and the j rails hold all the water to the middle of the house and over spills causing this rust. Tried just pressure washing it but it ain't going no where. Can I use CLR? Or any suggestions? Thanks

Re: Rust stains on metal siding

Posted: Thu May 07, 2015 6:43 am
by Norm Frechette

Re: Rust stains on metal siding

Posted: Thu May 07, 2015 5:12 pm
by Greg
Rust stains are tough. I would almost bet the rust is coming from screws holding the panels and/or gutters in place. Most of the metal should be aluminum so that won't rust. You could try CLR or another type of product on the stain, but until the actual source is found the rust will come back. If it is the screws replace them with a coated or stainless screw.

Greg