Roof Joinery

Timbered Rafter to Collar Tie Connection with Pegs

Collar Tie to Rafter Connection

More likely than not, the joinery in the roof system of a timber frame is often loaded with tension and so special consideration is needed to make sure everything is held together.  In this detail we show a collar tie to rafter connection in two ways. The first, and often preferred, method used by engineers employs pieces of all thread and extra large […]

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Purlin Beam Pocket Detail

Timbered Purlin Wall Pocket Detail

Often, due to budget requirements or floor plan arrangement some timbers will need to sit on  conventionally framed walls; this is very common and called hybrid construction.  In this timbered purlin wall Pocket detail a timbered purlin bears on a 2×6 wall and is covered with an 8 ¼” Structural Insulated Panel and ¾” tongue […]

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Witches Hat Roof Detail

Witches Hat Rafter Detail

Often folks want to add a bit of style to their roof line by adding another roof pitch to the equation, called a witches hat roof, it incorporates a witches hat rafter  (also called a broke back rafter) to achieve this look. This example uses an LVL spline and some pegs to hold the two rafters together.  Then a couple of […]

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Shed Porch Rafter

Shed Rafter Detail

  Using a ledger, a post and plate system along with shed common rafters is a fast and effective way to construct an exterior porch or storage area.  In this shed rafter detail the 4×8 rafters are housed into the upper ledger 3/4 inch and secured with an 8 inch structural screw.  At the plate the […]

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