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Timber Frame Rafter Seat Housing Joinery

This is an exploded view of a rafter foot and seat on a plate  – a rafter seat housing.

Exploded Rafter Seat Housing  Timber Frame Detail

Here, you can see the plate with the post below. The rafter with a notch cut into the back side of the plate for the rafter’s foot to sit on. 

The toe of the rafter has been trimmed to the outside edge of the plate.
The location of the bird’s mouth cut on the rafter is essential to prevent the rafter from splitting.
Care has to be taken to account for timber shrinkage when cutting this joint.

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