Rust from attic air handler

What kinda ladder is that

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That’s a heavy as heck, fall down and get killed ladder.

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Best of the best.

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A definitely not covered by insurance ladder.

Ps. There was a massive recall on this type of ladder not too long ago. I forget the manufacturer, they all come out of the same factory.

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Yeah not the best ladder for the job I agree and is heavy. Just made do w what I had available. Definitely investing in an extension ladder.

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Those ladders are the worst. Heavy, don’t work most of the time and super sketchy when they do.

Nice job on the stain! I’m sure your customer was a happy.

Little Giant ='s junk

What about using on hardiplank siding? I have F9 and Oxalic, the homeowners are selling and just want the rust stain gone.

Start w Ox. I had to do approx 8-12 applications and scrub each time. The F9 will peel some paint. Some. Quicker to remove the rust vs ox