A comprehensive technical Steel & Tube HST Purlins and Girts Design Guide is made available to all specifiers and engineers in hard copy or via the company website and is covered by a PS1 certificate from HFC Consulting Engineers.
HST Purlins and Girts are roll formed from galvanised high strength steel coil complying with AS 1397:2001. Steel thickness, grades and zinc weight available can be viewed at https://steelandtube.co.nz/catalogues/purlins-girts-design-guide
Purlin and Girt loads are presented in Limit State format consistent with AS/NZS 1170.0:2002 “Structural Design Actions”.
Steel & Tube recommends the use of recognised designers and installers at all times.
For BIM details: https://steelandtube.co.nz/bimspec/hst-purlins-girts
Manufacturing of HST purlins and girts is in Auckland and Christchurch.
