When you need a beam longer than the sizes of your lumber, a scarf joint is the way to go. In this attractive half and bridled scarf joint, each beam is split longitudinally and connects to its partner with a mortise on one end and a tenon on the opposite end.
Often in larger structures and barns you may need to split your rafters in two due to the overall length of the building. To accomplish this and create a strong member you can use a rafter scarf joint; in this …
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 …
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 …
Nothing beats the look and strength of an undersquinted scarf joint with a wedge. In this detail, we illustrate three types of methods to connect the two beams and joints together. Please note that the preferred method for scarf joint placement is over a …
Every so often timber framers find themselves needing to lengthen a timber for a post or a rafter and for this they need a special type of scarf joint – a post or rafter scarf joint. The one seen here …
A stop splayed scarf joint is used to create longer timbers for use in plates, beams, rafters and posts when you cannot find a long enough timber to span the distance you require.The stop splayed scarf that is displayed here …
Here is an exploded view of a scarf known as a timber frame bridle scarf. I haven’t personally cut this one, but my program offers it as a type of scarf, so I thought I’d show you. You should have …
Here is an exploded view of a half lap scarf joint with table. I suppose you could also use wedges between the tables to pull the scarf together. One half has been rotated to show another view.
The most basic scarf for joining two timbers together is the basic half lap joint. One timber has half its depth cut away on the top and one timber has half its depth cut away on the bottom and these …