WebNov 24, 2024 · It’s absolutely fine to install a metal roof over shingles. People are accustomed to thinking of metal roofs as being heavy or cumbersome. In fact, metal roofs are so beneficial because they’re very light. They’re fast to install, and they come in large sheets rather than individual tiles. WebSep 1, 2004 · A: Harrison McCampbell, AIA, roofing and waterproofing specialist, replies: I think that putting a metal roof over shingles is unwise for at least three reasons: rot, rust, and weight. There could be some rotted decking and/or rafters below that may not be visible unless you tear off the old asphalt shingles.
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WebJun 27, 2024 · The first is to apply an approved underlayment over the old shingles. This is the fastest way to install but it doesnt provide the flattest surface for metal roofing … WebOption 2: 1×4 Purlins. This is a very common method of installing a metal roof over shingles because it involves laying down 1×4 purlins directly over the shingle roof … blackmore ranch murrieta
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WebOption 2: 1×4 Purlins. This is a very common method of installing a metal roof over shingles because it involves laying down 1×4 purlins directly over the shingle roof before starting to install the metal one. All you … WebJul 1, 2024 · 13 Can you install metal roof over shingles? How much does it cost to put a metal roof on a double wide trailer? Metal Roofing A non-insulated roof for a single … WebAug 9, 2024 · Roof decking is the foundation of your entire roof system.When nailing over your old shingles, theres no opportunity to inspect the decking before installing your new roof. If there is a problem with the decking and one of the boards breaks during installation, the contractor will take off the old shingles, replace the decking, put the old shingles … blackmore river conservation reserve