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TOPIC: I Have An Existing Metal Roof and Have A Question

Connecting two different roofs

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Hi, I have a corrugated roof at 13 degree pitch connected to the roof truss which is using roof tiles and it is on 22.5 degree pitch,so I don't know how really to connect those two roofs and where does flashing goes and which one. I would really appreciate your help. Kind Regards
enver mujcinovic

11/9/2012
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I am assuming that neither roof is installed yet. Contact your corrugated roof manufacturer. They should have a standard flashing for this type of application. Install the flashing first; at a height to allow the installation of the corrugated panels later on. Then install the tiles over the flashing. Finshing with installation of the corrugated. I hope that you are using metal tiles :) thanks, let us know if we can help further. Dick Bus
Dick Bus

11/9/2012
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What is the minimum rise and run for a standing seam metal roof to be effective. I have a customer who has one on a 1/4" per LF slope and her installer insisted it would work. I want to forward your opinion to her. Sincerely, Rush Sturges
Guest User

4/18/2013
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Many standing seams can be used down to 2:12 pitch. There are products that can be used down to pitches as low as 1/4:12 ... they are called mechanically seamed standing seams. Todd Miller
Todd Miller
Isaiah Industries, Inc.

4/19/2013
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Hi, I have an old roof profile that can no longer be matched. I am adding an extension and what to see if anyone would be able to tell me the best way to join two different profiles together so it's waterproofed. the roof pitch is 11 deg so quite a low pitch.
Guest User

9/7/2016
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Can you please email me a photo of the current metal roof, as well as a drawing that illustrates how the roofs will be adjacent to one another -- which way they slope, etc. Can you also include what the pitches of the roofs will be. I can then make recommendations on the panel you need for the new roof, and how to join the new and the old. My email is [email protected] Todd Miller
Todd Miller
Isaiah Industries, Inc.

9/8/2016
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