The truss is a framework consisting of rafters posts and struts which supports your roof.

Timber sizes for roof trusses. Most basic timber roof trusses timber dimensions are 90x35mm and start at strength grade mgp10 old grading called f5. Eastland truss and timber manufactures trusses using non toxic termite protected hyne t2 blue pine timber. Temporary braces at all mid panels maximum 3000 mm apart but not required for creepers jacks hip trusses dutch hip girders and tg trusses with stations up to 3600 mm. Eastland truss timber s roof trusses are designed and manufactured using mitek systems to ensure compliance to bca and as 1720 and as 4440.

The superior construction of our roof trusses is undoubtedly what sets us apart. Roof pitch between 30 and 45 degrees strength class c16 size of purlins in mm maximum clear span 1 5m maximum clear span 1 8m maximum clear span 2 1m maximum clear span 2 4m maximum clear span 2 7m. 600 timber thickness mm. As our name suggests timber roof trusses are central to our business.

Use 70 x 35 f5 or mgp10 fixed with 2 65 nails or 1 65 screw per truss crossing for truss spacing not exceeding 1200mm. Roof trusses provide support for the roof deck the framing and counteract wind load. Sustainable renewable building materials are few and far between but timber is one of them. If the truss requires a bigger timber size due to the load it is to carry the bigger size is usually applied to the bottom chord first leaving the top chord and webs at 90x35mm.

Timber roof trusses fixing bracing guidelines for timber roof trusses vic 03 8795 8888 nsw 02 8525 8000 qld 07 3861 2100 sa 08 8234 1326 wa 08 9412 3534 new zealand 09 274 7109 the timber roof trusses you are about to install have been manufactured to engineering standards. Member size grade tc 1 4 4 7 97 tr26 bc 6 10 72 tr26 bc 10 2 72 tr26 wb 3 8 5 9 72 tr26 wb 4 8 4 9 72 tr26. 100 natural timber is safe to handle and ages without decomposing into harmful toxins. Roof trusses are generally fabricated offsite reducing price and speeding up the construction of your roof frame.

We design a variety of timber roof systems to suit projects of every size from low to high set custom homes multi unit developments roof replacements renovations and extensions.

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