AS 3959:2018 includes several options for eaves in Flame Zone areas. One option is "a system conforming with AS 1530.8.2". A data sheet showing a tested system can be found here: https://www.renovateforum.com/attachments/3/1/8/7/4/80614.attach. As long as your construction complies with the details shown in the data sheet, timber of any species or density can be used for the fascia.
Flame Zone Question
I am building in a flame zone area and constructing eaves as per as 3959 and want to use timber fascia as noted in the standard, can I use a treated pine fascia in this system?
Question
What is the size needed for Ceiling Joist span of 3.100 using MGP10 timber , the ceiling will be 13mm gyprock with battens at .600 centres .
Gyprock advises that their 13mm plasterboard weighs 8.5 kg/m2. Adding 3.5 kg/m2 for the ceiling battens gives a load of 12 kg/m2. According to our Timber Solutions software MGP10 ceiling joists need to be 120 x 45 to span 3100 @ 600mm centres with a load of 12 kg/m2. Timber Solutions and other design software can be downloaded from our website here: https://www.woodsolutions.com.au/articles/span-tables-and-software.
Ceiling joists Question
Have received an email from an architect looking to use a timber cladding profile to a soffit and external walls on a concrete construction commercial building. In light of the issues with the composite cladding materials we have been asked to supply certification for our products. Typically we would look to supply a 130 x 12 - 19 lining or weatherboard, Blackbutt, Spotty, Ironabrk or similar. Is there suitable information we can pass on? Has any specific testing been done for these applications? I have trawled through your multi storey and fire pages but not found anything that specifically relates to this question.
Timber cladding can be used for Class 2 and 3 buildings of up to 3 storeys. This is explained on our website here: https://www.woodsolutions.com.au/blog/why-external-timber-cladding-ok-class-2-and-class-3-low-rise. Although the material on our website refers to NCC 2016, the same concession is carried forward to NCC 2019.
Cladding
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