Weathertex Cavity Fixed Weathergroove Panel Cladding Systems
- Abbreviation
- Appraisal number 514 (2020)
- Amendment
- 02/06/2023
- Valid from
- 28/02/2020
- Information provider
- BRANZ Limited,
- Information type
- BRANZ Appraisal,
- Format
- PDF,
Description
Weathertex Cavity Fixed Weathergroove Panel Cladding Systems are external wall cladding systems for residential and light commercial type buildings where domestic construction techniques are used.
The systems consist of Weathergroove Panels, flashings and accessories applied over a drained and vented cavity to external wall framing.
Scope
Timber Framing
Weathertex Cavity Fixed Weathergroove Panel Cladding Systems have been appraised as external wall claddings for timber framed buildings within the following scope:
- the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 for timber framed buildings; and,
- with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1, Table 2; and,
- situated in NZS 3604 Wind Zones up to, and including ‘Extra High’
Steel Framing
Weathertex Cavity Fixed Weathergroove Panel Cladding Systems have also been appraised as external wall claddings for steel framed buildings within the following scope:
- the scope limitations of NASH Building Envelope Solutions Paragraph 1.1 for steel framed buildings; and,
- with a risk score of 0-20, calculated in accordance with NASH Building Envelope Solutions; and,
- situated in NASH Standard Part 2 Wind Zones up to, and including ‘Extra High’
General
Weathertex Cavity Fixed Weathergroove Panel Cladding Systems must only be installed vertically on vertical flat surfaces.
Weathertex Cavity Fixed Weathergroove Panel Cladding Systems are appraised for use with aluminium window and door joinery that is installed with vertical jambs and horizontal heads and sills. (Note: The Appraisal of Weathertex Cavity Fixed Weathergroove Panel Cladding Systems relies on the joinery meeting the requirements of NZS 4211 for the relevant Wind Zone or design wind pressure.)