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Thread: Metal rafters

  1. #1
    Dennis R's Avatar
    Dennis R Guest

    Default Metal rafters

    House was around 65 years old. Had metal rafters, metal main beam and metal joists. Could not see any means of how the wood roof sheathing attached to the metal rafters. I was able to move / lift the sheathing by prying my screwdriver between the metal rafter and wood.

    Any ideas on why this sheathing hasn't blown off?

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  2. #2
    Join Date
    Mar 2007
    Ormond Beach, Florida

    Default Re: Metal rafters

    Quote Originally Posted by Dennis R View Post
    Any ideas on why this sheathing hasn't blown off?

    Because you don't live in Florida?

    Almost looks like (actually, it looks like it) the metal rafters were intended to be installed the other way up, allowing the roof sheathing to be nailed to the wood furring in the rafters.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( )

  3. #3
    Join Date
    Mar 2007
    Healdsburg, CA

    Default Re: Metal rafters

    Installed upside down as ec Jerry said. Popular for a short time in the 70s as was metal floor girders with glue-down 1-1/8" thick plywood subfloor.
    What you see in the photo triggered a new terminology, "Metal-butchers."

    Jerry McCarthy
    Building Code/ Construction Consultant


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