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Rooftop Coatings & RWH
Moderator(s): John Hammerstrom
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Rooftop Coatings 2 J. Hammerstrom While we await post from those with first-hand information about roof coatings and potable rainwater harvesting, you may find the following information helpful, provided by ARCSA's Executive Director, Heather Kinkade and my own internet research.  Of course any discussion of components for a rainwater harvesting system that will be used for potable purposes should start with those approved by the National Sanitation Foundation, Protocol 151. This link leads to the current list. This link is to Brad Lancaster's website - Rainwater Harvesting for Drylands and Beyond - in which he lists potable-quality coatings. Consult the attached research paper on the effects of roofing material on water quality.National Coatings Corporation newsletter. 
by J. Hammerstrom
Saturday, October 5, 2013
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