In this detail, we examine one way of approaching the lower strut to king post connection. In a king post truss, there are a couple of ways to attach the lower strut to the king post or lower assembly area. In this example, we are connecting the strut directly to the king post and not […]
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 is. The simplest way to beaver out this joint it is to use a mortiser to […]
Enclose this entire king post plan for a small cabin, or leave the shed roof area open for a rocking chair porch. The king post area is a generous 15 feet wide by 20 feet deep, with the 5 foot by 20 foot shed roof in addition. The main area has a 10/12 roof pitch, […]
While non traditional, this king post with steel all thread uses metal 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 out of the king […]
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. In this upper king post strut to rafter detail we use a 3/4″ housing, and because we are using white oak a 1 1/2″ tenon and two 1″ […]
A classic joint for a king post to rafter connection uses a 1 1/2″diminished housing, and because it is designed for oak it uses a 1 1/2″ tenon. This upper king post joinery is a classic and strong connection. As always, make sure you check with a qualified engineer before you begin cutting joinery on your frame.
A King Post Truss is a cost effective design, and is particularly attractive when modified with curved braces and webs. Structurally, its bottom chord ties the room together by preventing the walls from spreading.
This exploded view is of a king post to tie wedged tenon – a wedged king post tenon in a truss frame, from a famous meeting house. The tie is a 12 x 12, and the king post is an 11×12. The through half dovetail tenon is 3″ off the side of the king post […]
This is an exploded view of a king post’s bottom tenon where it goes through a very large tie beam. The king post tenon is secured with pegs into the tie beam. A king post hangs down from two rafters and usually has some struts going from the king post up to the two rafters […]