You will have to contact a company that produces timber portal frames to discuss lead times, for example Timberbuilt Solutions could advise you. They have a website here: www.timberbuilt.com.au. Regarding fire resistance, this can be calculated by reference to Australian Standard 1720, ‘Timber Structures’, Part 4: Fire resistance for structural adequacy of timber members. Possibly Timberbuilt can also advise on this point.
Question
We are looking to use a timber portal frame for a building we are currently designing. The building is quite simple, rectangular with metal sheet cladding. The portals are required to offer a clear span of 25m. Can you please advise what a rough lead time may be for such a product, and additionally could you provide some advice or reference to the fire resistance properties of these sort of portal frame products?
Question
Under the new revisions for Fire in BCA code clients are requesting commissioned Fire Test reports for solid timber lining products we supply. As the manufactured aspect of these products is soley edge-profiling, surely there is a species-specific test report we can supply instead of commissioning our own for messmate, silvertop ash etc. Can you assist with our obligations as a small timber supplier under the changes to the code?
FWPA has sponsored fire testing on a range of timbers including messmate and silvertop ash (see attached report). This has been done on behalf of the timber industry so it is not necessary for individual companies to do so. This report and other fire test reports can be found on our website here: https://www.woodsolutions.com.au/articles/fire-test-reports
Question
I am looking for a Fire Indices Report for American white oak or the report the gives explanation to how the Group 3 status was achieved
FWPA has sponsored fire testing on a range of timbers including American white oak (see attached report). Note the typographical error – it’s Quercus alba, not Quercus abla. This and other fire test reports can be found on our website here: https://www.woodsolutions.com.au/articles/fire-test-reports
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