I doubt they are torching EPDM. You may be talking about torch
down Modified Bitumen.
We have not had good luck with EPDM and have eliminated its use.
We use metal standing seam when possible or Modified on flat work.
We try to add 2" Iso insulation on re roofs with hot applied
Modified. I have talked with several foam roof people, though we
have not tried it to date.
Keep the whole world singing . . . .
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