Home Improvement Expert Danny Lipford

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How to Remove Mold on the Outside of a House


Watch this video to find out how to prevent and remove mold and mildew from the outside of your house using bleach, a scrub brush, and trisodium phosphate. ...More




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How to Remove Mold on the Outside of a House

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To prevent mold and mildew on the outside of your house, keep shrubs and trees trimmed away from the house.

To remove mold and mildew from your house:

  • Mix up a solution of 1 part bleach to 10 parts water and spray in a pump up sprayer. Allow to remain on for 10-20 minutes, then rinse using a garden hose.

OR

  • Mix up a solution of TSP (trisodium phosphate) in a bucket, following the directions on the box. Scrub the house with the mixture, using a long handled scrub brush, and rinse.

Watch this video to find out more.

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2 Comments on “How to Remove Mold on the Outside of a House”

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  1. Judy Says:
    June 1st, 2013 at 6:26 pm

    Do those same solutions you post for on your house work on removing mold and mildew on roof shingles. My shed has a terrible bunch of mold/mildew on them How can i get rid of that??

  2. Marie Yates Says:
    October 20th, 2013 at 11:31 am

    Can these same solutions apply to vinyl sided houses?
    I don’t want to damage the vinyl.
    Thank you.

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Denise asks: How can I keep mold from growing on my house?

Danny Lipford: If you live in a part of the country that gets a lot of rain and has high humidity, you’re going to have a little mold to deal with on the outside of your home. Here’s a few ways you can control it.

First of all keep all of the vegetation trimmed back from the painted surfaces. That’ll discourage the growth of mold. Then if you have some mold and you have to clean it, well, here’s a few tricks there.

You can use bleach and water. You’ll want to use one part bleach, 10 parts water to create a good cleaning mixture. Or you can do like the professional painters do, and use TSP or trisodium phosphate for a great cleaning solution.

Then, to keep yourself off the ladder as much as possible, use an aluminum extension handle, a stiff bristle brush to do all the work.