Vertical Shiplap weatherboards are sought after due to their sharp contemporary lines and modern aesthetic.
The weatherboards are available in a large range of profiles with varying widths and thicknesses, and can be specified in either Accoya Western Red Cedar or Radiata Pine.
Thinking of dark weatherboards? Find our unique and durable solution here.
The Timspec CertClad Vertical Shiplap RAB system is a CodeMark certified cavity based solution that has attained the highest level of NZ building code compliance. It not only guarantees that the territorial authority will accept the system as complying with the Building Code, but also gives you peace-of-mind knowing that the system has under-gone testing, investigations, and audits to prove that it will stand the test of time.
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Scope of use
The Timspec CertClad Vertical Shiplap RAB cavity based weatherboard system has been developed for use on buildings in NZ and is considered an Alternative Solution 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 Extra 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
- Clause B2 Durability: Performance B2.3.1(b)
- Clause E2 External moisture: Performance E2.3.2, E2.3.3, E2.3.5
- Clause F2 Hazardous building materials: Performance F2.3.1
The product has and can make available the following additional evidence to support the above statements:
The Timspec CertClad Vertical Shiplap RAB 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 Extra High.
The Timspec CertClad Vertical Shiplap RAB Weatherboard system must be installed in accordance with the Timspec installation manual.
Check www.certclad.co.nz for latest version.
The Timspec CertClad Vertical Shiplap RAB Weatherboard system must be maintained in accordance with the Timspec installation manual guidelines.
Coatings and finishes must also be applied and maintained in accordance with the relevant coating manufacturer's specifications.
Timspec Weatherboard systems must meet a minimum of 15 years durability as outlined in the New Zealand Standard 3602.
However where required Timspec can offer an extended warranty on a site specific basis.
Timspec 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.