Scarf Joints

Alternatively known as splicing, these joints are used to extend the length of boards and are more applicable to carpentry, although they have applications in furniture repair-work. Figure 173:1 shows the simple half lap splice,


173:2 the bevel halving splice, 173:3 the tabled joint, and 173:4 the hooked splice. Figure 173:2 and 3 will resist end pull and to some extent a side swivel, while in 173:4 less stock is taken away at the root (X) and the joint is correspondingly stronger. Simple scarfing or splicing (173:5) relies on the glue only and, provided the joint is long enough, with from eight to 10 times the thickness in thin plywoods, the union can be as strong as a single length. Solid boards are usually scarfed at nine times the thickness, but some woods will hold at lesser angles.

The Complete Guide To Wood Finishing

The Complete Guide To Wood Finishing

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