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The Truth About Roof Cleaning and Roof Algae

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Uploaded by on Jan 14, 2009

http://www.midwestprowash.com/roof_algae_report.html what you should know about roof cleaning black roof algae streaks.

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Education

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  • likes, 6 dislikes

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Uploader Comments (MidwestProWash)

  • thank you

  • @DeRex9 You are so welcome!

  • Barry, I found you on some of the other Power Washing Forums a few years ago and this video was the catalyst for me going into the roof Cleaning trade. The information you gave was so clear and directly to the point that I knew my customers deserved to have this service offered to them by me as well. Now I have been a Reading Roof Cleaning Contractor for 3 years and my customers can not be happier. Thanks For being such a positive inspiration as a Indiana Power Washing Company.

  • @PaRoofCleaning at the time of the video I had no clue it would be so helpful to so many. It feels good to give back to the industry. I'm glad it helped you.

  • What is the ratio of bleach to water? And after I apply can I just use a regular hose to wash off. Thanks for the info.

  • @denet2469 Most guys start with 12.5% pool chlorine and cut it 40% bleach with 60% water. Some will also use additives like dish soap or TSP to help it cling to the shingles better. You can rinse the solution and dead algae off the roof after it has sat for 10-15 minutes and done it's job. A regular hose hooked to the water spigot is fine but might take awhile. We use our 8gpm pressure washer with a soft nozzle in it to speed things up.

Top Comments

  • Great job Barry informing folks of the Truth. Be wary of the mis-information promoted by folks that sell a product or are paid to advertise a product.

  • great job

    honest

    sincere

    full of information

    thanks

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All Comments (50)

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  • @MidwestProWash - Barry, I have some questions: 1) Is the bleach solution you use 40% bleach, 60% water?

    2) Can I use CLOROX bleach or do I need to use POOL chlorine?

    3) Do you use additives, such as TSP?

    4) Will this bleach solution work on moss growth?

    5) How do you apply the bleach solution? With a pump sprayer?

    Thanks!

    Jeff G.

    Richmond, VA

  • Good job Barry! Keep up the good work..

  • great video man! its always great to see a company informing home owners instead of trying to steal their money!

  • There is not one single person in my town that knows how, much less knows of roof washing. So, where do i get certified to do this? I plan on starting next year, and is certification really necessary?

  • This is a good video. Thank you for posting it. :-) I run Spot Free Roofs & Pressure Cleaning, Inc. here in Clearwater, FL. Business is very good here too. See us at SpotFreeRoofs . com

    Very Best,

    Jeff Robertson

  • Zinc strips under the edge of the shingle cap will kill the alge with out any damaging chemicals

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