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Ice and Water Shield Re-Roof

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  • Ice and Water Shield Re-Roof

    Three years ago I re-roofed a low pitch kitchen roof and used GAF Ice and Water shield as underlayment as added protection. I am now adding an addition to this home and the owners want me to re-roof the kitchen again to match the shingle color of the new room. What do I need to do with the ice and water shield? Can it be reused? If not, how do I remove it now that it is bonded to the plywood?

    Thanks Tony

  • #2
    Re: Ice and Water Shield Re-Roof

    It's not coming off now, Tony. It's part of the plywood. In North Carolina, I would probably run a single course along the eaves, valleys and cheek walls, and use another roofing underlayment elsewhere--such as tar paper or Rooftopguard.

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    • #3
      Re: Ice and Water Shield Re-Roof

      If it's a low enough pitch that the manufacturer's instructions were to cover the whole roof with I&WS, then you probably ought to add a full second layer. As Mike said, it's not coming off.
      http://www.grantlogancopper.com/

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      • #4
        Re: Ice and Water Shield Re-Roof

        How low is low-pitch? Shingles may not be a compliant roofing even with I&W.

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        • #5
          Re: Ice and Water Shield Re-Roof

          You just strip it and add a new layer of I&W on top of it. the old stuff is not coming off at all, and in a rare occasion may also bond to the shingles, if thats the case you will earn some blisters in ripping it. )

          RooferJim
          www.jbennetteroofing.com

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          • #6
            Re: Ice and Water Shield Re-Roof

            i was told by i&w manufacture that u can only have 2 layers, then u need to remove the plywood and start over.



            good luck getting the shingles off the i&w. start early in the morn and hurry up before the sun hit it.
            Last edited by kubietime; 07-09-2010, 01:51 PM.

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            • #7
              Re: Ice and Water Shield Re-Roof

              Originally posted by kubietime View Post
              good luck getting the shingles off the i&w. start early in the morrn and hurry up before the sun hit it.
              Got me thinking.....lol...maybe you could build a small sled with a block of dry ice in it and pull it around. This is what some folks on these forums recommend to remove floor tiles..
              Steve

              "Get three coffins ready" - A Fistful of Dollars 1964

              http://youtu.be/KZ_7br_3y54

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              • #8
                Re: Ice and Water Shield Re-Roof

                You just man-up and rip it. )

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