Description

Innova™ Stratum™ and Stratum™ Duo Cavity Cladding Systems are designed to be used as cavity-based, external wall cladding systems for residential and light commercial type buildings where domestic construction techniques are used.

Innova™ Stratum™ and Stratum™ Duo Cavity Cladding Systems consist of Innova™ Stratum™ and Innova™ Stratum™ Duo fibre cement planks adhesive and brad fixed over structural timber battens to form a cavity.  The fibre cement planks are finished with an acrylic paint system.

Scope

Timber Framing

1. The Innova™ Stratum™ and Stratum™ Duo Cavity Cladding Systems have been appraised as an external wall cladding system for buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1; and,
• constructed with timber framing complying with the NZBC; 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 wi th NZS 3604.

Specific Design

2. The Innova™ Stratum™ and Stratum™ Duo Cavity Cladding Systems have also been appraised for weathertightness and structural wind loading when used as an external wall cladding system for buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1 with regard to building height and floor plan area; 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™ and Stratum™ Duo Cavity Cladding Systems must only be installed horizontally on vertical surfaces.

4. The Innova™ Stratum™ and Stratum™ Duo Cavity Cladding Systems  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