The “1” diminished housing joint is a specific type of mortise and tenon joint used primarily in timber framing. It involves a tenon (the projecting piece of wood) that fits into a mortise (the cavity) cut into another timber. The […]
Mortise and Tenon With A Diminished Housing Read More »
This purlin ridge to king post example shows a ridge connecting to the top of a king post, if you are using purlins in your roof framing system. It may look hard to cut but trust me it looks harder than it
Purlin Ridge to King Post Connection Read More »
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
Stop Splayed Scarf Joint Read More »
In a hexagonal timber frame where the plates around the perimeter join with the principal rafter, it is a bit tricky from an engineering standpoint. This is just one solution, and in this case, a steel post was used instead
Hexagonal Frame Plate to Rafter Connection Read More »
Just the housings and rafters to cut this boss pin detail would certainly challenge any timber framer. The central post is typically called a boss pin, and it is used when you have several hips and valleys coming together at
Hexagonal Heavy Timber Frame Boss Pin Detail Read More »
While joining a strut from a king post or bottom chord is a simple timber frame joint to cut, it is essential to look at the connection details. In this upper king post strut to rafter detail, we use a 3/4″
Upper King Post Strut to Rafter Detail Read More »
Dropping a timber post through the floor system is often necessary – here is a floor system post pocket detail showing one method.
Floor System Post Pocket Detail Read More »
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 one.
Here is an exploded view of a pair of purlin joints where they meet the rafter. An experienced timber framing engineer should review each frame design for the exact design of this joint.Loads, spans, type of wood, and possibly other factors
Purlin Joints at Rafter Read More »
Here is an exploded view of a bird’s mouth rafter foot where it meets the plate. A typical timber frame joint where a rafter meets a plate is called a bird’s mouth, and this is a tremendous isometric rendering of
Birds Mouth at Timber Frame Rafter Foot Read More »
This joint is known as the tongue and fork joint. Here is an exploded view of two 4×6 rafters at 12/12 pitch with 1 1/2″ tenon set 1 1/2″ off the reference side with a 3/4″ oak peg.To ensure a
Rafters at Ridge – Timber Frame Tongue and Fork Joint Read More »
