Traditional and extremely versatile Bevel Back Weatherboards combine stability, durability and contemporary style that define today’s urban landscape. Strong shadow lines and various widths further enhance the usability of this classic range, which offer enduring style, prestige that comply with sound design and build principles.
JSC BevelClad is a horizontal weatherboard cavity cladding system installed with a cavity or direct fixed to framing. It is intended for use as an exterior cladding.The JSC BevelClad system consists of
• timber weatherboards finished with a suitable exterior grade quality coating
• H3.2 treated timber castellated cavity battens
• flashings and accessories
The weatherboards are profiled to JSC Timber specifications based on NZS 3617 and BRANZ BU411.
Scope of use
This specification covers the use of the JSC Timber BevelClad Weatherboard
System as an external horizontally fixed wall cladding system within the
In wind zones up to and including extra high,
as defined in NZS3604:2011 or situated in specific design wind pressures up to
a maximum design differential ultimate limit state (ULS) of 2.5 kPa, where the
building has been specifically engineered
In all corrosion zones, subject to use of
fixing material as prescribed in NZS3604:2011
Scope limitations of NZBC E2/AS1, Third
Edition amendment 8 (30,11/2017), Paragraph 1.1;
New timber framed buildings with building wrap
or rigid air barrier that comply with the NZ Building Code
Existing timber framed buildings where the
designer and installer have satisfied themselves that the existing building is
suitable for the intended building work
With a risk score of 0-20 as per NZBC E2/AS1
Table 2 situated in NZS 3604 Wind Zones
Aluminium windows and doors joinery to comply
with NZS4211-2008 – Specifications for
Located more than 1m from relevant boundaries
Note: Top vented cavities are okay to use
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
- Clause F2 Hazardous building materials: Performance F2.3.1
JSC Timber provides PS1 on request.
The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
The product has and can make available the following additional evidence to support the above statements:
Use in Service History
JSC Timber Bevalback Systems have been used in NZ and the Pacific since 2008
A full set of Technical drawings, Specification & Installation Guide and Installation Checklist are available for downloading.
This information must be followed. No product substitutions will be accepted under the JSC Timber Producer Statement (PS1) - Design.
Drawing details, installation guide and Installation Checklist to be followed.
No product substitutions will be accepted under the JSC Timber Producer Statement (PS1) - Design.
JSC Timber is committed to implementing and maintaining the Forest Stewardship Council’s Chain of Custody requirements for FSC® certified timber products.
In addition to the Forest Stewardship Council’s Chain of Custody standard for certified timber, JSC Timber purchases timber from suppliers who have established a clear track record in respect of environmental standards and conformance, with responsible legal and social principles. As such, JSC Timber is a foundation member of the New Zealand Imported Tropical Timber Group (NZITTG) and will conform to the Charter of Understanding 2007.
JSC Timber undertakes to review suppliers and procedures periodically to ensure compliance with industry best practice and up-to-date standards.
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