Timber Roof Truss Details

The pros of using roof trusses drastically outweigh the pros of stick framing.

Timber roof truss details.

The roof truss structure and design is integral to roof structural integrity and shape. As roof structures are becoming increasingly complex housebuilders are looking to major roof truss manufacturers such as scotts to offer expertise and cost effective solutions. Rafters 3 7 1 rafters on floor deck 3 7 2 rafters on dwarf wall 3 8. 1 4 services 1 4 1 general.

Roof trusses are capable of supporting service loads from heating units air conditioned units hot water service etc. The installation of prefabricated timber trusses is covered by the australian standard as 4440 installation of nailplated timber trusses. If you are looking to specify or buy timber roof trusses what can scotts trussed rafter roofs offer you. Flat roof joist and decking.

Installation guidelines for timber roof trusses to be read in conjunction with as4440 2004 september 2016 2. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. Truss perpendicular to separating wall 3 5 4. Download free high quality cad drawings blocks and details of wood truss schedule organized by masterformat.

Truss at right angles to each other at separating wall 3 6. This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss. Provided the design takes them into account. Truss parallel to separating wall 3 5 3.

How to order trusses. A flexible fully timber engineered solution. Standard repair detail for broken chords webs and damaged or missing chord splice plates 2x3 members. Adding purlins between heavy timber trusses is an elegant way to reduce the cost of a timber frame roof because purlins permit an increased on center distance between trusses so you purchase fewer trusses.

Pricing roof trusses. An added benefit are the strong lines that purlins create by running parallel to the ridge beam s. Timber frame truss and purlins. Sure there may be an instance where stick framing is your only option and that is understandable.

The pros of using roof trusses instead of stick framing. To ensure that the trusses perform as designed it is essential that they be handled erected and braced correctly. There are many types of roof trusses as wall as many types of roofs more types than there are parts. Roof panels 3 8 1 roof panel connections 3 9.