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TOPIC: Roofing over existing roof

Straping under metal roofing, on existing roll asphalt

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I have a 1 to 7 foot pitch covered with roll asphalt. I was told I need to put straping under the metal roofing. With the air spacking under the metal, won't there be excessive stressing if walking on the metal is required? Can the new metal roofing be placed right on the old rolled half lap??
Guest User

9/27/2005
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That is a fairly low pitch and you need a certain metal roof system to ensure that it meets the needs. There are certain building code requirements in regards to ventilation, underlayment and fastening in certain areas. Aside from that installing vertical rib sheets directly on an uneven surface will eventually show through. Choose a product from our member manufacturers listed on the site and contact them and get their recommendation.
Allan Reid
Dura-Loc Roofing Systems, Inc.

9/28/2005
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Or copy this URL: https://www.metalroofing.com/spirit/comment/6774/find/
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