Timber Roof Trusses Dimensions

This table is considerably more useful that the one that was in the previous 1990 edition of the regulations as not only maximum truss spans are indicated but also the allowable and recommended pitch of the roof and the member sizes and grades of timber that are specified in sans 1783 2.

Timber roof trusses dimensions.

Our timber wood roof trusses are made from the strongest grade of timber tr26 grade timber. 0 250 kn m ceiling live load 0 250 kn m tank load 0 450 kn max tile batten centres. Roof truss span tables alpine engineered products 15 top chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 bottom chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2 12 24 24 33 27 27 37 31 31 43 33 33 46 2 5 12 29 29 39 33 33 45 37 38 52 39 40 55 3 12 34 34 46 37 39 53 40 44 60 43 46 64 3 5 12 39 39 53 41 44 61 44 50 65 47 52 70. Sure there may be an instance where stick framing is your only option and that is understandable.

Pitched roof timber sizes. The truss is a framework consisting of rafters posts and struts which supports your roof. 0 524 kn m ceiling dead load. Member size grade tc 1 4 4 7 97 tr26 bc 6 10 72 tr26 bc 10 2 72 tr26 wb 3 8 5.

Here are the pros of trusses. Shop our wide selection of stock and custom roof trusses to complete your building project available in a variety of styles and sizes. 0 785 kn m snow load. The room size will vary depending on the width and slope of the truss.

360 mm general truss information. 600 timber thickness mm. Just enter the dimensions of the roof rise and run to get started. But 99 of the time a roof truss is going to give you so much more.

Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Standard roof truss general load settings. Gable room in attic trusses provide an economical way to add extra living space to your home or garage. We usually opt for the 35mm thickness in timber when designing.

All the figures are based on roofing tiles or slates laid on timber laths over sarking felt. The important point to keep in mind when you use your truss calculator is that every truss calculation is completely unique and is based on the size of your roof and its specific dimensions. 35 timber size information. A gambrel room in attic truss also provides extra living space while giving your roof a barn like appearance.

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