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Discussion Forum

Roof cements- all the same?

edwardh1 | Posted in General Discussion on April 5, 2009 04:01am

Has anyone ever seen a test of roof cements – the black roof shingle cements- the stuff usually in tubes for a caulk gun? Are they all the same or one or two brands better?

Is the neoprene stuff better than the traditional “black petroleum base” product?


Edited 4/4/2009 9:03 pm ET by edwardh1

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  1. User avater
    IMERC | Apr 05, 2009 04:08am | #1

    http://www.google.com/search?q=roof+cement+tests&rls=com.microsoft:*:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7TSHB

     

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    Forget the primal scream, just ROAR!!!

     

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    1. edwardh1 | Apr 05, 2009 05:31am | #2

      thanks - it seemed to have a lot on the astm test standards but not a lot on someone who had compared brands

      1. User avater
        IMERC | Apr 05, 2009 06:09am | #3

        I tried.. 

        Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming<!----><!----><!---->

        WOW!!! What a Ride!

        Forget the primal scream, just ROAR!!!

         

        "Some days it's just not worth chewing through the restraints"

  2. Piffin | Apr 05, 2009 03:31pm | #4

    "better" for what?

    the neoprene caulk is for neoprene flashing on EPDM rubber roofs, but can also do the job of sticking shingles down against wind if you want to spend more money.

    the bituminous works fine for shingles, but will eat a rubber roof alive, because EPDM and bitumin are not compatible

     

     

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    1. edwardh1 | Apr 05, 2009 03:43pm | #5

      Main interest was, whats best for asphault home roofs and asociated flashing, not rubber roofs (which i think "fight Mother nature" and should be banned

      1. User avater
        Ted W. | Apr 05, 2009 04:13pm | #6

        which i think "fight Mother nature" and should be banned 

        Intersting you should say that, since fighting mother nature is exactly what a roof is supposed to do. =)

        ~ Ted W ~

        Cheap Tools! - MyToolbox.netMeet me at House & Builder!

        Edited 4/13/2009 12:15 am by Ted W.

        1. Piffin | Apr 05, 2009 08:24pm | #7

          That was an eye-roller for me too 

           

          Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. where ... Excellence is its own reward!

          1. edwardh1 | Apr 06, 2009 01:15am | #8

            its aimed at flat roofs, not at "roofs'
            most sloped roofs seem to work well- too many bad rubber flat roofs exist, which the archs seem to love- i do not know why-

          2. Piffin | Apr 06, 2009 01:35am | #9

            Look here, BAD roofs leak - no matter what the pitch is.Good roofs don't - no matter what the pitch is.The steeper a pitch is, the more likely a bad roofer can get far enough away from the job to not get blamed, because it is less likely to be noticed, but it will still cause rot over time.I spent twenty years doing nothing but roofs, probably as many sq ft of flat as of pitched. The only reason for a roof leaking is poor craftsmanship or choice of materials to fit a budget instead of a job. I've heard what you are saying all my life and it is just plain bunk - a myth from those who know little about roofing. 

             

            Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. where ... Excellence is its own reward!

          3. seeyou | Apr 06, 2009 01:44am | #10

            But flat roofs are stoopid.http://www.quittintime.com/      View Image        

          4. Piffin | Apr 06, 2009 01:48am | #11

            Looks that way.What kind of tar goop do YOU use for pitched roofs - you know, the "real" roofs?;) 

             

            Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. where ... Excellence is its own reward!

          5. seeyou | Apr 06, 2009 02:15am | #12

            What kind of tar goop do YOU use for pitched roofs - you know, the "real" roofs?

            I've never used any "goop".  I've been using Geocel tube and brushable products for close to 20 years, but we've always just avoided situations that require "gooping". I can usually fold or solder my way out of most situations.

            re: the original poster bitching about archy's designing flat roofs. There is some merit to that complaint. I've had several sets of plans handed to me that I just couldn't do a long term roofing solution as designed. More than once I've told an architect "Fine - we'll do it your way if you'll carry the warranty on it". That always get them to put their thinking caps back on. http://www.quittintime.com/      View Image        

          6. Piffin | Apr 06, 2009 02:24am | #13

            In that there is plenty of truth, but the idea of outright condemning all flat roofs is just plain...goopy. 

             

            Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. where ... Excellence is its own reward!

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