Hammer Beam to Hammer Post
The hammer beam truss is more complex than the other types of trusses, but it allows for larger spans with shorter pieces of timber. Here we will take a look at the joinery of the hammer beam to hammer post in particular.
Post to Beam Joinery
King Post Top Joinery
The king post truss is one of the most common truss forms used in timber framing. Some, but not all king post trusses utilize struts (diagonal beams coming from the bottom chord).
Offset Mortise and Tenon
When you have two beams connecting into one post at the same height, you need to get creative in cutting the joints. The goal here is to make a secure connection without taking too much meat and strength out of the post. In this detail we show you how to accomplish that with an Offset Mortise and Tenon.
Cross Lap Joint
Cross lap joints are a great solution when you want to create clean, continuous lines in a timber frame. The edges of the joint are completely flush, making it almost appear that the timbers are magically connected. To create a cross lap joint, you cut halfway through the width of both timbers that you are connecting , and they slide together into an extremely solid joint.
Post and Beam Knee Brace Connection
Looking for a way to cut down on the time it takes you to cut a knee brace, or perhaps you don’t have the tooling to cut all those mortises for the tenons? How would you like a variation that simplifies the cutting but still gives you the strength and look of traditional mortise and tenon joinery?
Mortise and Tenon Corner Joint
Used primarily on plates and floor systems, this corner joint uses a mortise and tenon on one plate (red) and a tusk tenon on the opposing plate (purple). The opposing plate (purple) gets housed onto the plate for bearing. It …
Double Mortise and Tenon Joint
There are times that tenons will get in the way of each other, weakening the entire joinery area. This issue can be particularly common on a queen post truss where the tie beam, rafter, and post collide. A double mortise …
Through Tenon With a Wedge
When a timber frame load exerts outward thrust on this through tenon with a wedge, the force is well resisted and kept in check. The wedge draws the joint tighter, adding extra strength that you could not get with just …
Straining Beam
Every timber gets its name from where it is in the frame. This beam is between two posts. It holds them apart from the rafters pushing them in. It is called a “Straining Beam”. Here is an exploded view of …
Wedged Half Dovetail Tie Beam Tenon to Post Timber Frame Joint
Here is a see through view of a wedged half dovetail tie beam tenon and post joint.