Triboard has been BRANZ appraised as an Inter-tenancy Wall System for use as load bearing or non-loading bearing, fire-rated and sound insulating internal walls.

• Suitable for use when interfacing with traditional timber frame construction, light gauge steel frame construction, and with the Triboard Construction System. 
• Suitable for use as infill panels within buildings having concrete frames designed to NZS 3101.

• Walls must be straight
• The maximum height allowed for any single storey of a Triboard Inter-tenancy wall system is 3.0m for loaded walls and 4.5m for unloaded walls
• For loaded walls the maximum allowable design load is 20 kN/m of wall length
• For loaded wall heights greater than 3.0m specific design is required

In the opinion of BRANZ, the Triboard Inter-tenancy Wall System, if designed, used, installed and maintained in accordance with statements and conditions of the Appraisal, will meet the following provisions of the NZ Building Code:

• Clause B1 Structure: B1.3.1, B1.3.2, B1.3.4
• Clause B2 Durability: B2.3.1 (a)
• Clause C3 Spread of Fire: C3.3.2
• Clause F2 Hazardous Building Materials: F2.3.1
• Clause G6 Airborne and Impact Sound: G6.3.1

Triboard can be used for 30 and 60 minute fire walls with acoustic ratings of up to STC 57 for inter-tenancy walls.