Description

The Hermpac Accoya® Rusticated, Splaycut and Multi-Splay Weatherboard Cavity System is an external horizontally fixed wall cladding system for residential and light commercial type buildings where domestic construction techniques are used.

The Hermpac Accoya® Rusticated, Splaycut and Multi-Splay Weatherboard Cavity System consists of horizontally fixed rusticated, splaycut and mutli-splay weatherboards, cavity battens, flashings and accessories.

Scope

The Hermpac Accoya® VertiLine Vertical Shiplap Weatherboard Cavity System is certified for buildings:

• a. not greater than 10 metre height, and
• b. situated:
  • i. in all exposure zones (excluding microclimates) as defined in NZS3604:2011, Paragraph 4.2.4 NZS3604:2011, and
  • ii. more than 1m from a relevant boundary, and
• c. constructed with timber framing within the scope of NZBC Acceptable Solution E2/AS1, Third Edition including amendment 10 (5/11/2020) Paragraph 1.1, and with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1, Third Edition including amendment 10 (5/11/2020) Table 2, situated in Wind Zones (as defined in NZS 3604:2011) up to and including Extra High, or 
• d. constructed with timber framing subject to specific engineering design up to a maximum design differential ultimate limit state (ULS) wind pressure of 2.5 kPa and within the scope limitations of NZBC Acceptable Solution E2/AS1, Third Edition including amendment 10 (5/11/2020) Paragraph 1.1 with regards to building height and floor plan area, and with a risk score of 0-20 calculated in accordance with NZBC Acceptable Solution E2/AS1, Third Edition including amendment 10 (5/11/2020) Table 2

2. The Hermpac Accoya® Rusticated, Splaycut and Multi-Splay Weatherboard Cavity System shall be designed, used, installed and maintained in accordance with The Hermpac Accoya® Rusticated, Splaycut and Multi-Splay Weatherboard Cavity System Installation Specifications, V3, July 2024 including including:

• a. the Hermpac standard construction drawings applicable (refer sections 9 & 11 of this certificate), and
• b. the fixing & finish requirements applicable to the oil/stain or paint system used.

3. The Hermpac Accoya® Rusticated, Splaycut and Multi-Splay Weatherboard Cavity System shall only be installed horizontally on vertical, flat surfaces.

4. Only stainless-steel fixings can be used with the Hermpac Accoya® Rusticated, Splaycut and Multi-Splay Weatherboards.

5. Only aluminium window and door joinery meeting the requirements of NZS 4211:2008 (including Amendment1) for the relevant Wind Zone or wind pressure and installed with vertical jambs and horizontal heads and sills shall be used with the Hermpac Accoya® Rusticated, Splaycut and Multi-Splay Weatherboard Cavity System.

6. 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 scope of this certificate and that all design conditions of this certificate have been met.

7. The installer shall supply a signed Product Installation Checklist Hermpac Accoya® Rusticated, Splaycut and Multi-Splay Weatherboard Cavity System (August 2023 V2) for consideration for issuing a Code Compliance Certificate (CCC).