Timber Truss Roof Construction

Above these components is a rack of common rafters.

Timber truss roof construction.

Design of timber roof trusses pdf hood roof bonnet roofing systems are basically a mansard roof backwards. Each modern roof truss is designed and made for a particular position in the roof structure and is made up of butt jointed timber lengths typically nailed together using plate fastenings no type of timber joint being used. Trusses are made of high quality c24 timber interconnected with special steel plates gang nail resulting in an extremely durable construction. The truss is a framework consisting of rafters posts and struts which supports your roof.

However it is also important to choose the right solution here since in the construction world it is possible to choose both timber and metal roof trusses. Historically truss timbers have been bolted together or mortise and tenoned and then pegged. Timber trusses are incredibly strong and can be installed much faster saving time and resources. Timber trusses are prefabricated constructions that symmetrically cover the building from one end to the other and are custom made for each project.

There is a hierarchy of timber framing at work here with trusses supporting the ridge and purlin beams. Insert construction screws every 2 3 inches 5 1 7 6 cm through the holes in the face of the plate and use an electric drill drive the screws deep into the wood. Worldwide truss and frames worldwide truss and frames supply prefabricated timber trusses wall frames and loose timber sales to the building and construction industry within western australia. Likewise referred to as kicked eaves a hood roof has 4 sides with a high top incline as well as a much more mild reduced incline offering cover around the sides of your home for a veranda.

As we will see below there are several different types of designs and this will impact the angles and designs of the overall truss. A timber roof truss is a structural framework of timbers designed to bridge the space above a room and to provide support for a roof. A timber frame truss roof with ridge beam purlins and common rafters is a stunning combination that creates visual interest and structural complexity. They effectively move the entire load to the outer walls of the building.

Apply a thin layer of construction adhesive to the backside of a plate. Then flip it over and press it firmly into place over a joint between two truss beams.