Fire Hazard Properties C1.10 Materials and Assemblies

This specification sets out the requirements in relation to fire hazard properties of materials and assemblies used in Class 2 to 9 buildings other than floor, wall and ceiling covering and linings. Specification C1.10 - Clause 7 places limits on the Spread-of-Flame Index and Smoke-Developed Index for various types of buildings and locations within these buildings.  The Spread-of-Flame Index and Smoke-Developed Index for some commonly available timber species can be found in Table 1.

The Spread-of-Flame Index and Smoke-Developed Index for some commonly available timber species in Table 1 have been sourced from the National Construction Code Volume One, Deemed-to-Satisfy referenced document AS1684.2-2010 Residential timber-framed construction, Appendix G – Table G1 Timber Species and Properties.

Table 1: Spread-of-Flame Index and Smoke-Developed Index

Common NameSpread-of-Flame Index (0-10)Smoke-Developed Index (0-10)
Ash, Alpine83
Ash, Mountain83
Ash, Silvertop63
Ash, Victorian83
Baltic, Red93
Baltic, White94
Blackbean83
Blackbutt73
Blackbutt (plywood)73
Blackbutt, New England73
Blackwood93
Bloodwood, Red83
Box, Brush73
Box, Grey43
Brownbarrel83
Brushbox73
Cedar, Red, Australian83
Cedar, Red, Western104
Cypress83
Fir, Douglas (Oregon)93
Fir, Hem93
Gum, Blue, Sydney63
Gum, Grey, Mountain03
Gum, Red, River33
Gum, Rose73
Gum, Rose (plywood)83
Gum, Shining84
Gum, Spotted33
Gum, Spotted (plywood)73
Hemlock, Western93
Ironbark, Grey03
Ironbark, Red53
Jarrah63
Kapur73
Karri73
Lauan94
Mahogany, Philippine94
Mahogany, Red53
Mahogany, White03
Maple, Pacific94
Meranti94
Merbau (Kwila)05
Messmate53
Oak, Tasmanian83
Oak, Tulip62
Pine, Canada73
Pine, Cypress83
Pine, Hoop72
Pine, Hoop (plywood)93
Pine, Klinki93
Pine, Radiata83
Pine, Slash83
Pine, Slash (plywood)83
Ramin73
Redwood, Californian94
Seraya94
Stringybark, Silvertop63
Stringybark, Yellow73
Tallowwood54
Teak95
Turpentine63
Walnut, Queensland73
Walnut, Yellow71

 

Note:

Nominal thickness of samples tested: red baltic 21.5 mm; white baltic 44mm; plywoods 12mm; mountain grey gum 15 mm; silvertop ash, New England blackbutt, red bloodwood, grey box, brownbarrel, Sydney blue gum, river red gum, rose gum, shining gum, grey ironbark, red ironbark, karri, kwila, slash pine silvertop stringybark, yellow stringybark and turpentine 19mm.

 

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