TPO Membranes

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February 22, 2023 at 5:19 p.m.


Joe from Ontario asked:

I am looking for a TPO liquid to apply on an aluminum flashing so that it can be heat welded to a TPO membrane. 

February 22, 2023 at 5:20 p.m.

This is what John Kenney from Cotney Consulting Group had to say:

I am unaware of any coating you can coat metal and heat-weld the membrane to it. You have a few  options  to do this if you want to use aluminum as your cover metal:
  1. Fabricate a cleat from TPO-coated metal with a raised edge that you can weld the membrane on, then snap the aluminum as a fascia piece. 
  2. Use TPO cover tape to seal the edge flange into the TPO membrane.
  3. Purchase a prefabricated metal edge that integrates with a TPO system and aluminum edge metal.

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