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Roof Structure

  • How to Safely Frame a Roof on the Ground (Subscriber content)

    To eliminate the danger and discomfort of framing and shingling a roof, Lee McGinley takes the task to the ground.

     
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    Framing a Hip Roof (Subscriber content)

    For a perfect fit, pay attention to how the roof will be stacked when calculating lengths and laying out cuts.

     
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    Are Birdmouths in Rafters Necessary?

    Now that there are alternative methods using ripped strips and metal connectors, why are we still cutting birdsmouths in rafters?

     
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    Rigid Insulation Baffle

    The Smart Baffle is made from corrugated plastic and comes in versions for 16-inch and 24-inch framing

     
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    Ultimate Framer

    With the Chappell Master Framer, you can calculate cuts for complex roof frames

     
  • Roof Truss Repair

    Field repairs should always be designed by an engineer

     
  • Testing Florida's Gable-End Retrofit Rules

    Since 2007, Florida has required contractors to reinforce the wall-to-roof connection during some remodeling or re-roofing work.

     
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    Strengthening an old Roof

    New LVL framing straightens and stiffens an underbuilt timberframe

     
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    Guardrail System for Fall Protection

    The Horizontal Under-Eave Guardrail System is an easy-on, easy-off rooftop railing for use with trusses.

     
  • A Practical Prefab Dormer (Subscriber content)

    Building on the ground is faster and safer than framing on the roof.

     
  • Rescuing a Spreading Roof

    A horizontal beam and steel tie rods resist rafter thrust with little disruption to the rest of the structure.

     
  • Framing to a Fixed Elevation

    Use this simple technique to adjust for height above plate when figuring roof cuts.

     
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    Replacing a Rooftop Deck

    Pedestal supports and preassembled wood tiles simplify installation and maintenance.

     
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    Working On a SIPs Roof

    A look at the techniques used to add skylights and thermal solar collectors to a foam-core roof.

     
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    Raising the Pitch of an Existing Roof

    By combining trusses with stick framing, the author was able to frame a new roof without damaging the finished rooms below.

     
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    A Shop-Built Conical Roof

    Truss-style construction simplified the framing of this serpentine roofline.

     
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    Letters

    Tree roots and foundation cracks; code logic; mixing plastics; site-built arched trusses

     
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    Making Space for a Barrel Vault

    Modifying the existing trusses from below saved the cost of rebuilding the roof.

     
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    Restoring an Old Barn

    Carefully shoring the entire structure allowed it to be repaired one section at a time.

     
  • Modifying Roof Trusses

    My client wants to add a 16-inch-wide 4-inch-deep tray ceiling in a room where the drywall ceiling is attached to the bottom chord of roof trusses. To do this, I'd have to cut out and raise the bottom chords of the trusses. Is that possible?

     
 
 
 
 
JLC Field Guide to Decking