How to price rust removal

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1

So I have a bid I’m doing that has a lot of iron deposits from the sprinkler system all over driveway, brick fence columns, black powder coated metal fence, and brick house. I use white ox (oxalic acid) currently and it seems to work great on stucco and cement but I haven’t really tried it on anything else.
4 questions from those with real experience.:

  1. Is there a price per square ft on driveway rust removal you’ve used. It’s everywhere on this one. About a quarter of the surface is rusty

  2. How does oxalic do on brick and metal? F9 Barc and krud kutter rust removal never really impressed me on cement as much.

3 the last guy who did the job took off the rust but left a white haze on the brick. What is this? Oxidation? I don’t think it’s effervescence? The customer thinks it is.

4 anything I can recommend as far as a filtration product that will work to filter the iron?

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2

Don’t have answers to your questions but have spoke with plenty of people who have success with pricing and results; all have said completing a test before quoting is necessary. I have come to believe this after getting my ass handed to me on several jobs.

We carry 3 different types of iron remover as none of them seem to work all the time.

As for pricing, I tend to double my price. But as I said, that has not always worked out well for us.

3

Gotcha . good advice. what 3 products do you bring?

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