This page contains links to fire test reports relating to timber flooring, lining and fire-rated timber building elements (systems) to support the use of timber products. Typically, these reports relate to requirements of the National Construction Code – Building Code of Australia.
The reports are available for free download at the base of this page.
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Fire Hazard Properties
Report Number: 21419 RIR6.0
Critical Radiant Flux (CRF) of Solid Timber (Minimum Thickness 12mm) and Plywood (Minimum Thickness 15mm) when Tested in Accordance with AS/ISO 9239.1:2003 (R2016)
Provides an assessment of the critical radiant flux (CRF – kW/m2) and smoke development rate (<750 percent-minutes) achieved for a range of timber species used as solid timber flooring of 12mm minimum thickness and plywood flooring of 15mm minimum thickness either installed on a substrate (e.g. 19mm particleboard) or not on a substrate. (Valid to 30/04/2026)
Report Number: RIR 41117.11
Fire Hazard Properties of Timber Floor, Wall and Ceiling Linings in Accordance with the Requirements of NCC 2019 Volume One
Provides an assessment of the Group number and average specific extinction area (<250 m2/kg) achieved for a range of timber species used as wall and ceiling linings as well as the critical radiant flux (CRF – kW/m2) and smoke development rate (<750 percent-minutes) achieved for a range of timber species for use as solid timber flooring of 19mm minimum thickness. (Extended to 30 April 2025 - refer RIR 41117.11 LOE1.2 below)
Report Number: RIR 45980.10
An Assessment of Solid Timber Wall and Ceiling Linings in Accordance with AS 5637.1:2015
Provides an assessment of the Group number and average specific extinction area (<250 m2/kg) achieved for a range of timber species of 9mm minimum thickness when used as wall and ceiling linings.
This report also assesses the effect of various lining profiles (e.g. V-joint, shiplap). (Extended to 30/04/2025 - refer RIR 45980.10 45981.10 45892.13 LOE3.0 below)
Report Number: RIR 45981.10
Fire Hazard Properties of Plywood for Use as Internal Wall and Ceiling Linings in Accordance with AS 5637.1:2015
Provides an assessment of the Group number and average specific extinction area (<250 m2/kg) achieved for a range of timber species used in the manufacture of plywood, of 6mm minimum thickness, when used as wall and ceiling linings.
This report also assesses the use of polyvinyl acetate (PVA), resorcinol, phenol-formaldehyde (PF), melamine urea-formaldehyde (MUF) and urea-formaldehyde (UF) glues as being acceptable. (Extended to 30/04/2025 - refer RIR 45980.10 45981.10 45892.13 LOE3.0 below)
Report Number: RIR 45982.13
Fire Hazard Properties of Timber Veneers on Standard MDF and Particleboard Substrates in Accordance with AS 5637.1:2015
Provides an assessment of the Group number and average specific extinction area (<250 m2/kg) achieved for “raw” 6mm minimum thickness standard MDF or particleboard, as well as for a range of timber veneer species (up to 1.2mm in thickness), when adhered to standard MDF or particleboard, used as wall and ceiling linings.
This report also assesses the use of polyvinyl acetate (PVA) and resorcinol glues as being acceptable. (Extended to 30/04/2025 - refer RIR 45980.10 45981.10 45892.13 LOE3.0 below)
Fire-Resisting Construction
Report Number: 22221A RIR6.0
The Fire Resistance Performance of Various MRTFC Roof and Wall Junctions in Fire Resistant Wall Construction if Tested in Accordance with AS 1530.4-2014
Provides an assessment of the fire resistance performance of low-rise multi-residential timber-frame construction (MRTFC) roof, floor/ceiling and wall junctions intersecting fire-resistant timber-framed walls. Typically, timber char blocks and fire-resistant mineral wool are used to maintain the fire resistance level (FRL) of 60/60/60 and 90/90/90 of the fire-rated wall and prevent fire and smoke spread through wall cavities. (Valid to 30/9/2028)
Report Number: RIR 22567A-05
The Fire Resistance Performance of Timber Framed Walls Lined With Plasterboard if Tested in Accordance with AS1530.4-2014
Provides an assessment of double, staggered and single timber-frame stud wall systems, as internal and external walls, used in the construction of low-rise multi-residential timber-frame construction buildings (MRTFC) that achieve the fire-resistance level (FRL) of FRL 60/60/60 and FRL 90/90/90 utilising one-layer of 16mm fire-grade plasterboard and two-layers of 13mm fire grade plasterboard respectively. The timber-framed walls may be constructed utilising sawn structural hardwood and softwood timber products as well as glued-laminated (glulam) timber and laminated veneer lumber (LVL) engineered wood products manufactured using phenol, resorcinol, phenol-resorcinol or poly-phenolic glues. (Extended to 30/11/2024 - refer RIR 22567A-05 LOE1.2 below)
Report Number: RIR 22567B-06
Fire Resistance of MRTFC Wall/Floor Junctions if Tested in Accordance with AS 1530.4-2014
Provides an assessment of fire-rated wall/floor junctions that may be used in the construction of low-rise multi-residential timber frame construction (MRTFC) buildings. These junctions incorporate the use of solid timber char blocks in-conjunction with solid timber floor joists, engineered I-joist or floor truss floor joists to achieve a fire-resistance level (FRL) of 60/60/60. (Extended to 30/11/2024 - refer RIR 22567B-06 LOE1.3 below)
Report Number: 37401400 RIR2.0
The Fire Resistance Level (FRL), Resistance to the Incipient Spread of Fire (RISF) and Modified Resistance to the Incipient Spread of Fire (MRISF) Performance of Various Timber-framed and Massive Timber Panel Systems
Provides an assessment of fire-protected single and double stud timber-framed walls and single and double panel massive timber (minimum panel thickness of 75mm) wall systems used as internal and external walls; as well as timber-framed and massive timber floor systems used in the construction of mid-rise (typically up to eight-storeys in height) timber buildings.
This report assesses the use of laminated fire-grade plasterboard and steel stud shaft wall systems, hinged fire doorsets/doors, lift landing door details, installation of large openings and fire dampers, GPOs, metal/plastic pipe and cable penetrations, access panels and hatches when incorporated in fire-protected timber construction wall and floor/ceiling systems. (Valid to 30/11/2024)
Report Number: 37600400 RIR3.0
Timber-framed Floor/Ceiling Systems Incorporating Various Timber and Metal Web Floor Trusses or Engineered Joists Achieving an FRL of 90/90/90
Provides an assessment of FRL 90/90/90, and resistance to the incipient spread of fire (RISF) of 60 minutes, for timber-framed floor/ceiling systems comprising, one or a combination of, solid timber floor joists, timber and metal webbed engineered floor trusses, timber and metal webbed I-joists as well as glued-laminated (glulam) timber and laminated veneer lumber (LVL) engineered wood products manufactured using phenolic or resorcinol adhesives utilising two-layers (2) of 16mm fire-grade plasterboard as the fire-rated ceiling lining. (Valid to 30/11/2024)
Report Number: FAS190034 RIR1.0
The Fire Resistance Level (FRL) of Timber-framed Floor/Ceiling Systems Incorporating Timber and Metal Web Floor Trusses or Various Engineered Joists when Tested in Accordance with AS1530.4-2014
Provides an assessment of FRL 120/120/120, and resistance to the incipient spread of fire (RISF) of 120 minutes, for timber-framed floor/ceiling systems comprising, one or a combination of, solid timber floor joists, timber and metal webbed engineered floor trusses, timber and metal webbed I-joists as well as glued-laminated (glulam) timber and laminated veneer lumber (LVL) engineered wood products manufactured using phenol, resorcinol, phenol-resorcinol or poly-phenolic glues utilising three-layers (3) of 16mm fire-grade plasterboard as the fire-rated ceiling lining. (Valid to 31/07/2024)
Bushfire Construction
Report Number: 30930800 RIR2.0
An Assessment of Jarrah and Karri Enclosed Decks if Tested in Accordance with AS 1530.8.1-2007 Section 20 for BAL 29 Exposure
Provides an assessment that enables the use of Jarrah and Karri in designated BAL 29 bushfire areas when used as 20mm decking on an enclosed, timber-framed deck when constructed adjacent to non-combustible wall cladding. (Valid to 31/12/2024)
Report Number: FRT210172 R1.0
A Simulated Bushfire Regulatory Information Report - Radiata Pine Subfloor System with Mineral Wool Insulation
Documents the findings of a test simulating a BAL-29 bushfire attack in accordance with AS 1530.8.1-2018 using an unenclosed Radiata pine subfloor system with non-combustible mineral wool insulation fitted between the floor joists.
Report Number: 23626A RIR9.1
Bushfire Attack Level (BAL) Performance of Various Sheet Metal Roof Systems
Provides an assessment of the performance of metal roofing systems when tested simulating a BAL-FZ bushfire attack in accordance with AS 1530.8.2-2007 and associated construction details. (Valid to 30/09/2025)