Description

The Innova™ Stratum™ Vertical Cavity Cladding System is a cavity-based, shiplap-jointed wall cladding system.  It is designed to be used as an external wall cladding system for residential and light commercial type buildings where domestic construction techniques are used. 

The Innova™ Stratum­™ Vertical Cavity Cladding System consists of Stratum™ fibre cement planks fixed over castellated timber battens to form a ventilated cavity.  The fibre cement planks are finished with a paint system. 

Scope

Timber Framing

1. The Innova™ Stratum™ Vertical Cavity Cladding System has been appraised as an external wall cladding system for buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1; and,
• with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1; and,
• situated in Wind Zones up to, and including, Extra High determined in accordance with NZS 3604.

Specific Design

2. The Innova™ Stratum™ Vertical Cavity Cladding System has also been appraised for weathertightness and structural wind loading when used as a wall cladding system for buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1 for timber-framed buildings or NASH Building Envelope Solutions for steel-framed buildings; and,
• constructed with framing subject to specific engineering design; and,
• situated in specific design wind pressures up to a maximum design differential ultimate limit state (ULS) of 2.5 kPa determined in accordance with AS/NZS 1170.2

General

3. The Innova™ Stratum™ Vertical Cavity Cladding System must only be installed vertically on vertical surfaces.

4. The Innova™ Stratum™ Vertical Cavity Cladding System must only be used with window and doors that comply with NZBC Acceptable Solution E2/AS1 or that are covered by a valid BRANZ Appraisal or NZ CodeMark Certification.