How to remove spots from vinyl siding?

Posted by admin
Mike asked:


I live in New England. My white vinyl siding has developed small black spots on it. They are about the size of a pin head and are raised. You can scrape the raised portion off and they feel soft but they leave behind a black spot. Nothing seems to remove them. I have tried several cleaners, scrubbing and pressure washing. They are not a mold as bleach products have no effect. Someone said it may be sap from a nearby pine tree but I tried a bug and tar remover with no luck. I was also told that it may be spores from the mulch spread in the flower bed below. Any suggestions?

Erica
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    • This entry was posted on Wednesday, October 1st, 2008 at 11:45 pm and is filed under siding. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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    2 Responses to “How to remove spots from vinyl siding?”

    1. Skeff Says:
      October 3rd, 2008 at 10:33 am

      Did you try a bleachgel or try leaving a small piece of papertowel stuck over one soaked with bleach and see if more time is needed. Might also try some oxyclean, as is designed to target organic stains. As much as you’ve tried, these are long-shots, but good luck.

    2. mr_jim51 Says:
      October 5th, 2008 at 10:26 am

      could this be mold starting ,
      lowe’s
      homedepot
      simple green , bleach and water
      1pt simple green
      1pt bleach
      2 pts water
      spray and let is sit 10-15 minute and rinse
      you can do the whole outside if you want
      stay aqay from under the drippings will eat you clothes with White spots instead of blk one on you house