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What type of acid

Discussion in 'Power Washing' started by Grzube, Sep 14, 2008.

  1. Grzube

    Grzube LawnSite Member
    Posts: 61

    We've been pressure washing alluminum & vynal siding for 5 yrs now, and have been passing off on brick homes. What type of acids and methods should we use, and I know that the windows and frames and painted surfaces must be covered by thick plastic wrap. Any advise would be appriciated, thanks!

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