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    Need advice on cleaning oxidation off a metal roof to prep for repainting

    The job is a large Charlie's Chicken restaurant with a metal roof. It is heavily oxidized but otherwise in good shape. I need to pressure wash it to prep for repainting. My plan was to use a boom lift, a turbo nozzle, and time. My equipment is a hot water, 8gpm, 3500 psi skid. I didn't...
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    Can someone tell me what this is please.

    This is at a strip mall on the sidewalk. There is a new section of concrete that has this stain all the way down it directly underneath some guttering that leaks. The issue is that the stain is only on the newer section of sidewalk that is about 250' long. The older section is about the same...
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    Need some help on an efflorescence removal job

    Ok, This is only a small test area at the Oklahoma Ordinance Works Authority main office. This is the headquarters for one of the largest industrial parks in the US. They have have this problem with the brick for almost 20 years and are sick of it. They've had it cleaned up in the past but it...
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