Joinery / End-to-end splice
Scarf joint
/skɑːrf dʒɔɪnt/noun
Probably from Old Norse skarfr, the bevelled end of a plank.
Definition
A joint that connects two timbers end to end by overlapping long bevelled, stepped, or hooked surfaces to form a longer continuous member.
Fig. 43 — Scarf joint: schematic studyNOT TO SCALE
Illustrative study — Scarf joint · AI-generatedSAMPLE IMAGE
Photo study — Scarf joint · AI-generated00:06
Structural & construction notes
Long, shallow slopes give more bearing and glue area. Traditional bladed or stop-splayed scarfs use pegs or wedges; locating them away from peak bending improves performance.
An educational reference. Project-specific design requires professional guidance.