Roof Purlins Nz

Are 480 600 or 900 mm.

Roof purlins nz.

Overview dimond s range of top notch purlins are compact lightweight and easy to install. Mss purlins and girts are available in a variety of sizes and gauges cut to length and prepunched to suit a variety of applications. Ms tophat purlin and girt ms tophat purlin and girt metalcraft roofing s structural division manufactures ms tophats for the new zealand construction market in particular the pre engineered sheds and garage market segment. It should be noted that timber purlins for metal roof cladding are minimum 70mm x 45mm h1 2 18 moisture content and that battens used previously for tiles must not be used.

This is a heavy roof so the 1200 mm column on the right side of the table is excluded it only applies to light roofs. They are ready for use in many smaller spanning applications from 2m to 7m. Sections are supplied punched and cut to length as required. For a fuller explanation of this refer to the nz metal roof and wall cladding code of practice.

Purlins typically 75 x 50 mm and fixed across the rafters were spaced at 760 900 mm centres depending on the roof cladding. Z450 galv steel is available upon request with up to a 12 week lead time. The purlin spacings should be limited to the lower of the trafficable limitations and design wind load with the capacity of the structure. This result should be referenced to the wind load span design graphs.

Metalcraft roofing s structural division manufactures metalcraft super span shortened to mss purlins and girts for the new zealand construction market and the pre engineered garages and sheds market segment. Hst steel purlins girts are high strength lipped profile sections manufactured by steel tube to provide an economic solution for your building project and to assist with design. This is a skillion roof so consider roof cladding how it will be fixed whether it is to purlins battens or sarking and the proposed ceiling lining requirements. Top notch purlins come in a full range of sizes from 60mm to 150mm depth easily tek screwed to the supports without the need for purlin bracing and cleats.