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Your source for building tips, woodworking & furniture plans, house plans and building advice directly from Dave...

Hi, I'm Dave Osborne. With over 50 years experience as a journeyman carpenter, foreman and contractor in heavy construction I enjoyed working with apprentices and sharing the tricks of the trade that others shared with me. Now I get emails from Members all over the world and we include many of my answers in our Free Monthly Newsletters. Some of my answers include drawings and instructions specific to a project, but may also answer your questions. I use correct construction terminology, so you can confidently inform your building supply dealers or contractors exactly what you need.

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Metal Roof Installation

Question

The home I am building is a 28x30 Chalet style home. I am considering using metal roof sheeting. On a residential home, can the sheeting be installed with purlins alone attached to the rafters, without sheeting, or do I need both.

Answer

Usually with metal roofing we don't use solid sheathing. Use purlins, also called strapping in this case, on 12, 16 or 24 inch centers depending on the thickness of the metal. Your dealer should know the specs for the purlin centers.

Dave

(Ask Dave) (About Dave)



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