Description

Metra Inter-Tenancy Wall System is a sound insulating and fire-rated wall system based on Metra Panels, providing a fire resistance rating (FRR) of 30/30/30 for the 130 mm system and 60/60/60 for the 172 mm system.

The Metra Inter-Tenancy Wall System consists of two construction variants; 130 mm and 172 mm wide walls. Both variants feature a 36 mm layer of Metra Panel to each interior face, constructed from either two layers of 18 mm thick or a single layer of 36 mm thick Metra Panel.

Scope

1. The Metra Inter-Tenancy Wall System is appraised for use as fire-rated and sound insulating internal walls between household units.

2. The Metra Inter-Tenancy Wall System is suitable for use when interfacing with traditional timber frame construction, light gauge steel frame construction, and with the Metra Panel System.

3. The Metra Inter-Tenancy Wall System is suitable for use as infill panels within buildings having concrete frames designed to NZS 3101.

4 The use of Metra Panels in the following situations has not been assessed and is outside the scope of this Appraisal:

• where there are individual fire cells above and below the mid-floor.
• sauna rooms and the like where they may be exposed to sustained high humidity (greater than 95% RH) or liquid water.
• where temperatures are in excess of 35°C over large areas for prolonged periods or in excess of 50°C in localised areas (e.g. the area adjacent to a fuel burning appliance).