In addition, I'll show you safe rafter construction and roof framing techniques that will allow you to safely remove or significantly raise the ceiling joists so the inside roof framing is open and tall. Removing or raising ceiling joists means having to run some careful calculations since regular rafter construction span tables do NOT apply when the roof framing uses ceiling joists that are removed or raised. That's right. If your rafter construction and roof framing plans include raising or removing the interior ceiling joists, you can NOT size your rafters simply using the span tables found at local building yards.

Since each pair of rafters act like a giant pair of scissors that tend to splay out the tops of the walls, it's important to get the roof framing right. The consequences of rafter construction and roof framing that fails to take into account these splaying roof forces can mean the catastrophic failure of the roof framing. As a result, since I recommend removing the ceiling joists on the hip roofs, I'll show you how to use hidden metal rods to reinforce your roof framing. For gable roof framing and rafter construction, I'll show you how to safely raise the ceiling joists by explaining how to make strong ceiling joist/collar tie connections.

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