Timber Frame Joints

Double Tenoned Scarf Joint (7 of 8)

Double Tenoned Scarf Joint

In this joinery example, we are detailing two variations of this double tenoned scarf joint.  The first uses a hardwood wedge to drive the two pieces together and the other uses pegs.   If you want or need a better method you can opt to use structural screws in place of the pegs.  Both offer a […]

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Tension Scarf Joint

Pegged Bladed Scarf Joint

This bladed scarf joint uses pegs to secure the two timbers together. Commonly utilized for either a sill plate or roof plate, if you add some all-thread steel rods or structural screws, it could be used in areas with light sustained tension. This joint is a half-lap joint with the addition of the tongues or […]

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mortise-and-tenon-through-tenon

Through Tenon With a Wedge

When a timber frame load exerts outward thrust on this through tenon with a wedge, the force is well resisted and kept in check. The wedge draws the joint tighter, adding extra strength that you could not get with just pegs. The end of the tenon is rounded in this example, which is called an […]

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