When integrated with the entire METRA walls, floor, and ceiling system, Metra Panel Inter-tenancy Wall system is a BRANZ Appraised system suitable for terraced/multi-unit developments up to 2-floor levels.

The 172mm Metra Inter-tenancy Wall Design and Construction boasts an FRR 60/60/60 fire resistance rating and STC61 sound insulation, which can achieve a 1S Fire Rating classification for the NZBC and 1 for the NCC upon application of additional specified coatings.

• Limited to a 30/30/30 or 60/60/60 FFR 
• The IT walls must be constructed as outlined in the Metra Panel IT Wall Design & Construction Manual

In the opinion of BRANZ, the Metra Panel System comprising Metra Panel wall and ceiling panels, and connections if designed, used, installed and maintained in accordance with the statements and conditions of the BRANZ Appraisal 364 (2015), will meet the following provisions of the NZBC: This is an appraisal of an Alternative Solution in terms of the NZBC.

• Clause B1 Structure: B1.3.1, B1.3.2, B1.3.4 The Metra Panel Construction System meets the requirements for loads arising from self-weight, imposed gravity loads, earthquake, snow and wind (i.e B1.3.3 (a), (b), (f), (g) and (h)).
• Clause B2 Durability: B2.3.1 (a) not less than 50 years.  The Metra Panel Construction System will meet this requirement.
• Clause F2 Hazardous Building Materials: F2.3.1. The Metra Panel Construction System will meet this requirement and will not present a hazard to peoples health.
• Fire Resistance Ratings refer to assessments of the degree to which the Metra Panel system is able to meet the categories of Structural Adequacy/Integrity/Insulation in accordance with AS 1530.4-1990.
• STC refers to Sound Transmission Class and is a measure of sound insulation. It is measured as per the requirements in section G6/VM1 and G6/AS1 of the New Zealand Building Code.
• Test results for both STC measure and FRR are available from Metra Panel on request

• The satisfactory performance of both Metra Panel wall and ceiling panels in New Zealand over a period of 30 years has been recognised by BRANZ.
• Metra Panel has been utilised for over 9,000 building projects throughout New Zealand: including aged care hospitals, numerous social housing projects consisting of medium to high-density apartments and duplexes, large commercial factory and warehouse projects, and over 500 classrooms and 1,000 student accommodation units.