The Craftstone Real Stone Veneer 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, Paragraph 1.1; 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, Table 2; and,
• situated in NZS 3604 Wind Zones up to, and including, Extra High.

The Craftstone Real Stone Veneer System has also been appraised for weathertightness and structural wind loading when used as an external wall cladding for buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regard to floor area and building height; and,
• constructed with timber framing complying with the NZBC; and,
• situated in specific design wind pressures up to a maximum design differential ultimate limit state (ULS) of 2.5 kPa.

See BRANZ Appraisal 793 for full information.

Refer to Craftstone for projects outside of this scope. Alternative systems are available that may suit the project.

• The Craftstone Real Stone Veneer System must only be installed on vertical surfaces (except for sills which must have a minimum 10º slope and be waterproofed in accordance with the Technical Literature).
• The system is appraised for use with aluminium window and door joinery that is installed with vertical jambs and horizontal heads and sills. (Note: The Appraisal of the Craftstone Real Stone Veneer System relies on the joinery meeting the requirements of NZS 4211 for the relevant Wind Zone or design wind pressure.)
• Installation of components and accessories (excluding battens, fibre-cement board and screws) supplied by Petros Holdings Ltd and approved installers must be carried out only by Petros Holdings Ltd (Craftstone) approved installers.

Refer to Craftstone for projects outside of this scope. Alternative systems are available that may suit the project.

In the opinion of BRANZ, the Craftstone Real Stone Veneer System, if designed, used, installed and maintained in accordance with the statements and conditions of Appraisal 793, will meet the following provisions of the NZBC:

• Clause B1 STRUCTURE: Performance B1.3.1, B1.3.2 and B1.3.4. The Craftstone Real Stone Veneer System meets the requirements for loads arising from self-weight, earthquake, wind, impact and creep [i.e. B1.3.3 (a), (f), (h), (j) and (q)].
• Clause B2 DURABILITY: Performance B2.3.1 (b) 15 years and B2.3.2. The Craftstone Real Stone Veneer System meets these requirements.
• E2 EXTERNAL MOISTURE: Performance E2.3.2. The Craftstone Real Stone Veneer System meets this requirement.
• Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. The Craftstone Real Stone Veneer System meets this requirement.

See BRANZ Appraisal 793 for full information.

The Craftstone Real Stone Veneer System has been used in residential and light commercial applications since 2012. Craftstone has been chosen by group home builders, and specified by architects across New Zealand.