Hermpac Cedar Horizontal Cavity Battens
- Abbreviation
- Appraisal number 1189 (2021)
- Amendment
- 19/08/2021
- Valid from
- 28/07/2021
- Information provider
- BRANZ Limited,
- Information type
- BRANZ Appraisal,
- Format
- PDF,
Description
Hermpac Cedar Horizontal Cavity Battens are finger-jointed Western Red Cedar cavity battens.
They are designed to be installed horizontally over timber framing to create a drained and vented cavity behind vertically installed cladding systems.
Scope
Hermpac Cedar Horizontal Cavity Battens have been appraised for use as non-structural cavity battens for use with wall cladding systems on timber-framed buildings within the following scope:
- the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
- with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1, Table 2; and,
- with cavity-based wall cladding systems complying with NZBC Acceptable Solution E2/AS1 or a valid BRANZ Appraisal that specifies a nominal 20 mm (minimum 18 mm) drained and vented cavity; and,
- situated in NZS 3604 Wind Zones up to, and including, Extra High; or,
- situated in specific design wind pressures up to a maximum design differential ultimate limit state (ULS) of 2.5 kPa.