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  1. #1
    Join Date
    Mar 2007
    Location
    Philadelphia PA
    Posts
    3,177

    Default white roof new to me

    I have never seen this kind of roofing material before. It looks like rubber with a white reflective film of some kind. Can anyone enlighten me?
    white roof2.jpgwhite roof3.jpg

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    F.I.R.E. Services
    "There is no exception to the rule that every rule has an exception." -James Thurber, writer and cartoonist (1894-1961)
    www.ArnoldHomeInspections.com

  2. #2
    Join Date
    Jul 2008
    Location
    Chicago
    Posts
    261

    Default Re: white roof new to me

    Looks like TPO. I have not seen peeling like that before.

    Mike Lamb
    Inspection Connection, Inc.
    http://www.inspection2020.com/

  3. #3

    Default Re: white roof new to me

    It looks like a heat-welded SBS modified bitumen membrane with a 'cool' laminate synthetic film.

    http://www.soprema.us/data/sites/38/...arBrochure.pdf

    _____________________________
    Don Putnam
    Austin, Texas
    www.roofconsulting.com


  4. #4
    Join Date
    Aug 2011
    Location
    Bennett (Denver metro), Colorado
    Posts
    1,394

    Default Re: white roof new to me

    I note that a similar thread is "Where white man went wrong".

    I didn't check that thread, (because it's probably too depressing), but it could be the longest thread in this forum.

    If you choose not to decide, you still have made a choice.

  5. #5
    Join Date
    Jul 2010
    Location
    Wisconsin
    Posts
    274

    Default Re: white roof new to me

    Kind of looks like the peel and stick roofing at Menards: Reflective White Aluminum Faced Peel & Stick Roofing at Menards Buddy removed a bunch of this stuff off a flat roof as it started to leak after a few years, your photo looks kind of like what he removed.


  6. #6
    Join Date
    Mar 2012
    Location
    Lansdale, PA
    Posts
    876

    Default Re: white roof new to me

    Quote Originally Posted by Mike Lamb View Post
    Looks like TPO. I have not seen peeling like that before.
    It is not TPO. TPO is solid white and is heat sealed. You would not see black at the joints.


  7. #7

    Default Re: white roof new to me

    This is a torch-applied modified bitumen membrane. The modified bitumen is protected by an aluminum foil cladding, which is made white by adding a synthetic laminate. The peeling shown in the second photo is the result of over-heating the edge of the sheet, melting the aluminum cladding. This is repairable. This type of roof has an approximate 25+ year life expectancy.

    _____________________________
    Don Putnam
    Austin, Texas
    www.roofconsulting.com


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