BGC Duragroove™ and Durascape™ Façade Systems (Direct Fix)
- Abbreviation
- Appraisal number 798 (2019)
- Amendment
- 06/08/2021
- Valid from
- 9/05/2019
- Information provider
- BRANZ Limited
- Information type
- BRANZ Appraisal
- Format
Description
The BGC Duragroove™ and Durascape™ Facade Systems (Direct Fix) are external, shiplap-jointed, wall cladding systems for residential and light commercial type buildings where domestic construction techniques are used.
The systems consist of vertically fixed Duragroove™ or Durascape™ sheets, flashings and accessories.
The systems are fixed direct to the external wall framing over a wall underlay and are finished with a paint system.
Scope
BGC Duragroove™ and Durascape™ Facade Systems (Direct Fix) have been appraised as external wall cladding systems for buildings within the following scope:
- the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
- constructed with timber framing complying with the NZBC; and,
- with a risk score of 0-6, calculated in accordance with NZBC Acceptable Solution E2/AS1, Table 2; and,
- situated in NZS 3604 Wind Zones up to, and including Very High.
BGC Duragroove™ and Durascape™ Facade Systems (Direct Fix) are appraised for use with aluminium window and door joinery that is installed with vertical jambs and horizontal heads and sills. (The Appraisal of the BGC Duragroove™ and Durascape™ Facade Systems (Direct Fix) relies on the joinery meeting the requirements of NZS 4211 for the relevant Wind Zone.)