Timber Roof Truss Design Guide
With 40 years of roof truss design and fabrication expertise behind us minera roof trusses are experienced in not only meeting but often exceeding our customers expectations.
Timber roof truss design guide. They are a good alternative to conventional timber roof framing with rafters etc as they can span great distances can be quicker to construct and allow in most domestic building cases for the internal walls to be non load bearing. Installation guidelines for timber roof trusses to be read in conjunction with as4440 2004 september 2016 2. Timber roof trusses can be pre fabricated and can be designed in many shapes and sizes. Unlike most modern stick built homes timber framed trusses are frequently exposed amplifying the feeling of space and volume inside.
This is the distance between trusses. A king post then runs from the apex to the centre of the tie beam. 1 4 services 1 4 1 general. Pyramid hip roof timber.
This is the most traditional classic design of roof truss and probably the one that first springs to mind when timber trusses are mentioned. When making a structure it could typically be considered approved. Types of timber roof trusses designs. Provided the design takes them into account.
It consists of a triangle formed from a tie beam at the base and two sloping rafters joined at the top. Our design offices employ highly skilled technical staff whose on going software development training ensures we are at the forefront of the industry. The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases. This kind of timber roof truss design guide is most prominent in loft space.
Dormer timber roof truss design guide. Timber trusses are prefabricated constructions that symmetrically cover the building from one end to the other and are custom made for each project. You will also incur additional costs because it is much harder to deck and shingle a roof that is 12 12 pitch versus a 4 12 roof. Trusses are made of high quality c24 timber interconnected with special steel plates gang nail resulting in an extremely durable construction.
The timber frame ceiling can be at the roofline rather than tied to the base of the truss s lower beam and individual rooms can have varying ceiling heights thanks to that flexibility.