Welcome to The Leigh Joinery Jigs web site. For over 30 years we have provided quality dovetail and mortise and tenon joinery tools to woodworkers around the world. Our award winning Dovetail jigs and Mortise and Tenon jigs are the best available.
You may refer to a truss as the rafter, but it's basically the skeleton of the roof, carrying the weight of the frame and supporting the walls of the building. Trusses are very important to preventing the walls from bending or flexing, more so.