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cmachine wrote:

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Hi.  I am trying to find out the warranty requirements for the different chemicals.  Are these chemicals approved by Owens Corning or Manufactures of Shingles?  Does our chemicals in any way compromise the warranty from the manufacturer?

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Absolutely NOT!  Like Chris posted, save the ARMA technical bulletin.  Owens Corning recommends the same chemicals and here's another one from GAF.

http://www.gaf.com/Content/Documents/22710.pdf

Chris Tucker owner of Apple Roof Cleaning created this board to help roof cleaning professionals all over the country and the world to clean roofs safely, properly, more efficiently, more profitably, etc. using the correct chemicals, pumps, plumbing, tanks, rigs, etc.

This is the best roof cleaning forum you can get and has the most experienced and knowledgeable pros in country.

 

Thank you for the response.  I appreciate any knowledge I can get.