This detail was created out of a need to join a timber frame corbel, post and plate together in a hexagonal structure that will serve as a gate hut for a local golf club. In this case the corbel is not carrying any gravity loads but lateral loads. I saw an opportunity to make the […]
Timber Frame Joints
Often folks want to add a bit of style to their roof line by adding another roof pitch to the equation, called a witches hat roof it incorporates this broke back rafter to achieve this look. This example uses an LVL spline and some pegs to hold the two rafters together. Then a couple of structural screw, such as […]
Using a ledger, a post and plate system along with shed common rafters is a fast and effective way to construct an exterior porch or storage area. In this detail the 4×8 rafters are housed into the upper ledger 3/4 inch and secured with a 8 inch structural screw. At the plate the rafters […]
While non traditional this king post joint uses a piece of all thread and a stub tenon to tie everything together and allows faster cutting, fit up and assembly. This has become more and more common as the number one way to handle this joinery situation. It also minimizes the amount of wood that is taken […]
This mortise and tenon joint uses a wedge in conjunction with a tapered tenon and mortise to hold itself together giving you a clean looking connection. The key in this joints strength is to have all the bearing surfaces between the post, wedge and tenon fit perfectly. The wedge’s large face faces outwards towards the housing […]
Often we find ourselves with a large amount of tension in some connections involving the roof loads and it is necessary to add some steel instead of relying on wooden pegs to do the job. This is not just a new age practice but one that has been around for a long time. An easy […]
This strong and simple to cut joint joins a rafter to a tie beam in a wide variety of truss combinations. The notch is what creates the strength in this connection. It uses the roof pitch on the inside edge and a 45 degree angle on the outside of the notch.
A 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 is extremely common and can be fastened together with pegs, all-thread with nuts and washers or […]
While joining a strut from a king post or bottom chord is a simple timber frame joint to cut it is important to look at the connection details. Here we use a 3/4″ housing, and because we are using white oak a 1 1/2″ tenon and two 1″ pegs to tie everything together.
A classic joint for a king post to rafter connection using a 1 1/2″diminished housing and because it is designed for oak a 1 1/2″ tenon. As always make sure you check with a qualified engineer before you begin cutting joinery on your frame.