Guest User
8/21/2007
I am switching to metal roofing mainly because I capture the rainwater from our roof and store it in a cistern. The asphault shingles supposedly shed toxic petrochemicals that are potentially harmful to bathe in, worse to drink of course. Can I assume that my metal roof sheds absolutely no chemicals or toxic materials? thanks, Mitch
Todd Miller
Isaiah Industries, Inc.
8/21/2007
I would not go on that assumption. Check with your individual manufacturer.
Guest User
9/3/2007
Hi Mitch, I am in the process of researching the same issue for our future metal roof. We will be catching our rain water as well and are not sure how to prep the panels before installation to prevent unwanted toxins from entering our water supply. If you have any further information on the subject or if any of the experts can offer some advice, I would greatly appreciate it. Thanks! Linda
Ken Buchinger
NCI Building Systems, Inc.
9/5/2007
I know of no steel mills or coil coaters that will say it is OK to use water runoff from either bare or painted roofs for drinking. The company I work for, owns three coil coaters and we advise against it.
Guest User
9/12/2007
Mr. Buchinger, thank you very much for your reply. Can you recommend any specific coating product that we can apply ourselves to ensure the surface is safe for water runoff? Thank you again, Linda
Todd Miller
Isaiah Industries, Inc.
9/13/2007
Unfortunately, there again, I do not think there is anything anyone would suggest for this purpose.
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