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View Full Version : Steps to put metal roofing over shingled roof


luckcomes
Jun 29, 2009, 02:59 PM
Please someone help this beginner. I have a house with one layer os asphalt shingles, I want to know the exact steps to putting a metal panel roof over existing roof. Thanks you so much.

21boat
Jun 30, 2009, 09:57 PM
I actually do a tear off the old shingle and then the metal roof. The heat gain on a metal roof can and will melt the shingles. A Hot Box is created.