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  1. #1
    Join Date
    Jul 2011
    Location
    Central PA
    Posts
    175

    Careful with that nu-brite

    Got a call from a customer complaining about stains on the roof. Yeah it wasn't coming off.

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  2. #2
    Join Date
    Oct 2011
    Location
    Chicagoland Area
    Posts
    4,296
    Oops
    Officially, Down for the count

    YOU HAVE TO GET OFF YOUR ASS TO GET ON YOUR FEET

    It was working when I left...
    Liberalism-Ideas so good they mandate them

  3. #3
    Join Date
    Dec 2002
    Location
    in a house, Appomattox, Va.
    Posts
    3,191
    unless they work on the roof, what's the issue, anyway?
    Col 3:23


    questions asked, answers received, ignorance abated

  4. #4
    Join Date
    May 2006
    Location
    Northern California
    Posts
    70
    Too lazy to hose it off.

  5. #5
    Join Date
    Jul 2011
    Location
    Central PA
    Posts
    175
    This was @ a strip mall. So there are different companies there for different units all the time. I'm thinking it was another co that drew attention to it. Plus there is a roof hatch so access is pretty painless. Either way, someone was in a hurry and made us look like fools.

  6. #6
    Join Date
    Jan 2010
    Posts
    5,812
    Go buy some black spray paint or a can of roof tar.
    Or is it EPDM ?

  7. #7
    Join Date
    Jan 2010
    Posts
    5,812
    Quote Originally Posted by infinitend View Post
    someone was in a hurry and made us look like fools.
    And left the hose,tool bag & box ?

  8. #8
    Join Date
    Jul 2011
    Location
    Central PA
    Posts
    175
    No, my boss wanted a picture. I was there to try to hose it off (which didn't work) and to change a condenser motor on a different RTU.

  9. #9
    Join Date
    Jul 2011
    Location
    Central PA
    Posts
    175
    This is from Nu-Calgon's website:

    "The most common types of rubber roofs are Modified Bitumen, both Coated and Uncoated, and EPDM-Type roofing. And the only one of the three that would be a concern is the Coated Modified Bitumen as it contains fibrated aluminum. Therefore, those cleaners that foam and brighten (destroy) the aluminum fins or those that are quite strong in concentration should not be used on this specific type of roofing material. Instead, cleaners like regular CalClean or Tri-Pow'r should be used..."

  10. #10
    Join Date
    Jan 2010
    Posts
    5,812
    That looks like EPDM. Try calling a roofing supplier they will probably have what you need.

  11. #11
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,512
    I'll bet they did not rinse the coils properly either

  12. #12
    Join Date
    Jul 2009
    Location
    texas
    Posts
    49
    I DONT USE THAT CRAP STEAM baby

  13. #13
    Join Date
    Feb 2010
    Location
    Ontario Canada
    Posts
    1,339
    Thanks for the heads up, who would have thought it would do that? I know...RTFM, but something like that should be written in 2" letters on the bottle.
    Never give up; Never surrender!

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