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12-19-2011, 10:36 PM
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#1 |
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Newbie
Join Date: Dec 2011
Posts: 1
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roofing
I have an existing shingle peak roof on a trailer house. I want to put another layer of plywood on top of that and increase the overhang slightly. Do the existing shingles have to be removed or can the plywood be nailed on top of them?
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12-19-2011, 10:48 PM
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#2 |
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Doing This Way Too Long
Join Date: Jun 2008
Location: North Idaho
Posts: 1,019
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roofing
You can't put anything over it. Only allowed 1 layer period.
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12-20-2011, 11:24 AM
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#3 |
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Newbie
Join Date: Dec 2011
Posts: 13
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roofing
The problem with more roofing on top is that it is very heavy. You put another layer and your roof is not as structurally sound. There is building code that dictates what can and cannot have multiple layers of roofing. It is to protect you from your roof collapsing.
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12-20-2011, 12:53 PM
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#4 |
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RFN-4A-LVN
Join Date: Jun 2010
Location: Springfield and Joplin Missouri
Posts: 981
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roofing
I would not add an additional layer on a trailer.
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12-20-2011, 07:22 PM
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#5 |
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Disabled wood vet
Join Date: Nov 2011
Location: California
Posts: 1,646
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roofing
Most "trailers" have 2x2 rafters; they can barely support the roof that's already on it.
I would not add to it. Sent from a Samsung Galaxy S2 |
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