RK Board & Batten
- Abbreviation
- CMNZ70080 version: 3
- Version
- 3
- Valid from
- 26/02/2026
- Information provider
- Ministry of Business, Innovation and Employment,
- Author
- Bureau Veritas Australia Pty Ltd
- Information type
- Product Certificate (CodeMark),
- Format
- PDF,
Description
Certificate holder: ITI NZ Ltd
RK Board & Batten is an external wall cladding system.
RK Board and Batten is an external vertically fixed wall cladding system. The system is either direct fixed to framing, or on a 20mm or 45mm cavity.
The system uses RK Timbers board and batten weatherboards, 20mm or 45mm cavity battens, stainless steel or silicon bronze fixings, and powder-coated aluminium flashings. Weatherboards are available in Western Red Cedar, Truwood, or Larch timbers with a bandsawn, dressed or dressed face sanded finish. Boards are factory-coated in coating products.
Scope
RK Board & Batten is certified for use on:
- a) timber-framed buildings designed and constructed in accordance with NZS3604:2011 Timber-framed buildings, and
- b) within the scope of Acceptable Solution E2/AS1 Paragraph 1.1, and
- c) where the risk score is 0-12 (as defined in Tables 1, 2 & 3 of Acceptable Solution E2/AS1), and
- d) located in any exposure zone (as defined in NZS3604) except microclimates, and
- e) located 1m or more from a relevant boundary.
RK Board & Batten shall be installed
- a) in accordance with the RK installation manuals and drawing sets:
- i) Rosenfeld Kidson Cedarscreen Board & Batten Weatherboards V1, November 2020
- ii) Board & Batten Weatherboard - 20 m Cavity on Flexible Underlay - Drawing Set 12 October 2020
- iii) Board & Batten Weatherboard - Direct Fixed on Flexible Underlay - Drawing Set 12 October 2020
- iv) Board & Batten Weatherboard - 45 mm Cavity on Flexible Underlay - Drawing Set 12 October 2020, and
- b) with wall underlay as specified in accordance with E2/AS1, and
- c) aluminium framed window and door joinery complying with NZS 4211:2008 - Specification for performance of windows.
