ITI NZ Rusticated Weatherboard Horizontal CertClad Cladding System

Product Class

Product Description

The CertClad Weatherboard Cladding System consists of weatherboards fixed to cavity battens forming a nominal 20 mm drained cavity.

Weatherboard with Bevelback, Rusticated and Vertical Shiplap profiles are manufactured from the following materials and with the following finishes:

• Accoya® Wood Weatherboards (supplied coated or uncoated)

• Radiata Pine, H3.1 and H3.2 Weatherboards (supplied pre-primed)

• Western Red Cedar Weatherboards (supplied coated or uncoated)

Other system components include: • Cavity battens • Nails, • Flashings • Moulding profiles

Scope of use

The ITI CertClad Rusticated cavity based weatherboard system has been developed for use on buildings in NZ within the scope of NZ building code Clause E2/AS1.

This system can be installed on buildings in NZ with a risk score of 0 - 20 (calculated in accordance with E2/AS1 Table 2) and wind zones up to and including Very High.

New Zealand Building Code (NZBC)

The product will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:

• Clause B1 Structure: Performance B1.3.1, B1.3.2

  By comparison with Acceptable Solution E2/AS1

• Clause B2 Durability: Performance B2.3.1(b)

  By testing and comparison with Acceptable Solution B2/AS1 and Verification Method B1/AS1

• Clause E2 External moisture: Performance E2.3.2, E2.3.5

  By comparison with Acceptable Solution E2/AS1

Evidence

The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:

Refer to CodeMark certificate.

Supporting evidence

The product has and can make available the following additional evidence to support the above statements:

	CodeMark CMNZ70163

Use in Service History

ITI  NZ was established in 1989.  All weatherboard timber profiles have been used in the NZ market since inception. 

Product Criteria

Design requirements

The ITI CertClad Bevel Back Weatherboard system must be installed on buildings in NZ with a risk score of 0 - 20 calculated in accordance with E2/AS1 Table 2, and in wind zones up to and including Very High.

Installation requirements

The ITI CertClad Bevel Back Weatherboard system must be installed in accordance with the ITI Timspec installation manual.

Maintenance requirements

The ITI  CertClad Bevel Back Weatherboard system must be maintained in accordance with the ITI NZ installation manual guidelines.

Coatings and finishes must also be applied and maintained in accordance with the relevant coating manufacturer's specifications.

Warrantees

ITI Weatherboard systems must meet a minimum of 15 years durability as outlined in the New Zealand Standard 3602.

However, where required ITI NZ can offer an extended warranty on a site-specific basis.

Company Product Information

Environmental

ITI NZ Accoya and Radiata Pine can be supplied with full FSC chain of custody certification, and Western Red Cedar can be supplied with Full PEFC chain of custody certification.

Building Product Information Requirements

Manufacturer

Product Identifier

RUSTICATED CLADDING SYSTEMS

Warnings

This product has no warnings associated with it.