Description

Certificate holder: J.Scott and Company Limited, t/a JSC.

The JSC Board and Batten Cladding System is an external wall cladding installed over a 20 mm or 45 mm ventilated cavity.

The Board and Batten Cladding System (the System) comprises: vertically fixed weatherboards installed over H3.2 treated timber castellated cavity battens to form either a 20 mm cavity or a 45 mm cavity, fascia boards and moulding profiles.

JSC Board & Batten Cladding System weatherboards are manufactured from the following materials:

• Western Red Cedar (Thuja Plicata)
• Alaskan Yellow Cedar (Cupressus nootkatensis)
• Radiata Pine – H3.2 (MicroPro® treated)
• Nordic Pine – H3.2 (MicroPro® treated)
• TMT Amba
• TMT Taiga RW
• TMT Taiga WW
• TMT Taxon
• TMT Tuscan
• TMT ThermoPine
• TMT ThermoPine H3.2 MicroPro® treated.

Scope

1. The system is certified for timber-framed buildings:

• a. with walls designed in accordance with NZS3604:2011 Timber-framed buildings, as modified by Acceptable Solution B1/AS1 and within the scope of Acceptable Solution E2/AS1, Sub Section 1.1.1, or of at least equivalent stiffness to the framing provisions of NZS3604:2011, and situated in Wind Zones (as defined in NZS 3604:2011) up to and including Extra High; or
• b. subject to specific engineering design in accordance with Verification Method B1/VM1 up to a maximum design differential ultimate limit state (ULS) wind pressure of 2.5 kPa, and
• c. up to 10 m in height, and 
• d. with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1 Tables 3.1.2.1 and 3.1.3.1, and
• e. situated:
  • i. in all exposure zones (excluding microclimates) as defined in NZS3604:2011, Paragraph 4.2.4, and
  • ii. more than 1m from a relevant boundary.

2. The System shall be designed, used, installed and maintained in accordance the following sets of documents collectively referenced as the Applicable Technical Specification:

• a. Design Guide - JSC Board & Batten - Board & Batten Weatherboard Cladding v1.0, February 2026
• b. Installation Guide JSC Board & Batten - Board & Batten Weatherboard Cladding, v3.7, February 2026
• c. Site Drawings - JSC Board & Batten Weatherboards - Flexible Underlay 20mm Cavity Fix v2.6, 11/02/2026
• d. Architectural Drawings - JSC Board & Batten Weatherboards - Flexible Underlay 20mm Cavity Fix v2.6, 11/02/2026
• e. Technical Drawings - JSC Board & Batten - Board & Batten Weatherboard - 20mm Cavity on Rigid Underlay v1.4, 11/02/2026
• f. Technical Drawings - JSC Board & Batten - Board & Batten Weatherboard Cladding - 45mm Cavity on Flexible Underlay - v1.4, 11/02/2026
• g. Technical Drawings - JSC Board & Batten - Board & Batten Weatherboard Cladding - 45mm Cavity on Rigid Underlay - v1.4, Dated 11/02/2026
• h. JSC Board & Batten System - Installation Checklist v1.4, February 2026
  • i. JSC Exterior Timber Weatherboard Cladding, Maintenance Guide, Version 3.3, February 2026.

3. The System shall

• a. be fixed over a ventilated cavity in conjunction with a flexible building underlay or rigid air barrier in accordance with the Applicable Technical Specification, and
• b. be installed vertically on vertical, flat surfaces, and
• c. use the components and board profiles as described in the Applicable Technical Specification (where these components are substituted with alternative products, these applications fall outside the scope of this certification), and
• d. incorporate joinery that meets the requirements of Section 4.4 of the Building Products Specifications for the relevant Wind Zone or wind pressure.

4. Stainless steel fixings or silicon bronze shall be used with ThermoPine H3.2 MicroPro® treated, TMT Amba, TMT Taiga RW, TMT Taiga WW, TMT Taxon, TMT Tuscan, TMT ThermoPine and TMT ThermoPine - H3.2 weatherboards.

5. The designer shall provide a signed Declaration for submission with the building consent application that the use of this product in the proposed building work falls within the intended use of the system as described in this certificate and that all design conditions of this certificate have been met.

6. The installer shall supply a signed Declaration that the product has been installed in accordance with the installation conditions of this certificate, for consideration for issuing a Code Compliance Certificate (CCC).