Replies

1. 
   Piffin | Dec 08, 2004 03:10am | #1

   photo attachment too big for me but the flat roof material always needs to go at least 18" up under the shingles.

    

    

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2. 
   IronHelix | Dec 08, 2004 05:03am | #2

   FWIW

   for some reason....from the back of my mind....there is a voice that says...

   "EDPM and asphalt products do not mix well together"...."the EDPM degrades when in contact with asphalt"

   Maybe someone will jump in and confirm or correct my statements....cause I can't find my EDPM applications book!

   Check out the mfg. specs on the transition for a specific interface.

   ............Iron Helix

    

    

    

1. 
   RichBeckman | Dec 08, 2004 05:55am | #5

   "the EDPM degrades when in contact with asphalt"When I enquired about this here a few years ago, it was explained to me that the asphalt being referred to is fresh roofing cement and similar products (maybe even some of the ice/water shield stuff?).The asphalt in the shingles is not a problem.Rich BeckmanAnother day, another tool.

1. 
   IronHelix | Dec 08, 2004 03:41pm | #6

   Rich.......

   Hey, thanks for the mental refresher! 

   Now it clicks......, no plastic roof cement or tar to be used as a sealant/caulk.  Need to use the EDPM mfgr's specific glues, caulks and sealants.

   ..............Iron Helix

1. 
   jarcolio | Dec 08, 2004 04:42pm | #7

   I have heard the same thing about shigles eating EPDM; on two EPDM roofs I have done that marry with a shigle roof, I always place the EPDM and then a roll of alu coil stock between the EPDM and the shingles -- shigles rest on the coil stock -- roofs have held up for 20+ yrs-- all the best -- dudley

3. 
   RichBeckman | Dec 08, 2004 05:30am | #3

   I would go as far up as you can with the rubber and then, as Piffen suggests, bring the shingles back down to cover the top 18" or so.

   The valley complicates things quite a bit. I'm not sure how I would deal with that.

   It is my experience (which is a bit limited) that it is best if the shingle/epdm transition is taking place as far above the slope change as possible.

   Here is the pic resized.

   Rich Beckman

   Of course there's a problem, people are involved!

1. 
   RichBeckman | Dec 08, 2004 05:35am | #4

   Sorry, I missed the attachment.Here it is:

4. 
   rez | Dec 08, 2004 07:39pm | #8

   Greetings Tab,

   I got to wondering how you are going to address that valley trim intersection here.

   Always looking to learn.

   Cheers