A hammer truss is an often-requested type of truss because of its mesmerizing beauty. However, hammer trusses can be problematic to engineers because they may be structurally awkward, and the members of a hammer truss assembly are often subject to significant shear.
When two plates or beams come together into the same plane on a post, there is often not enough thickness in the post for each plate to connect to it with a tenon. If you put a tenon on …
The truss system is the basic building block of a timber frame home. It’s one of the most memorable features and one of the first images that comes to mind when someone thinks of a timber frame structure.When you’re planning …
A scissor truss is a good choice if you have a vaulted ceiling and want to draw the eye up to enhance the volume of space. A scissor truss accents the ceiling by the use of sloping bottom chords that cross at mid-span.
A hammer beam truss creates a lot of drama in a timber frame, and also causes some complex joinery. In this hammer beam eave detail we will show you one solution to the issue of several frame elements coming together in close proximity to each other.
Purlins help to form and strengthen the roof framing in a structure, and they support the roof decking or sheathing. They run horizontally, parallel with the ridge of the timber frame. There are three basic types of purlins: Purlin plate, principal purlin, and common purlin.
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.
When you create a hip roof in a timber frame, there are different types of rafters used. The hip rafters (in purple) form the roofline and extend from the plate to the ridge. The jack rafters (in turquoise) connect
The joinery takes a bit of thinking when you have two beams meeting at a single post. The goal is to create a strong connection and avoid removing too much wood from the lumber. One solution is this corner joint with barrel bolts.
