Compliance Statement
Scope of Use
The KOROK® External Wall Systems EX1 and EX2
have been appraised for use as a single skin, non-load-bearing, fire and
acoustically rated external walls for all buildings of importance levels 1 to 5
as defined by AS/NZS 1170. The KOROK® External Wall Systems have been appraised
for vertical, straight in-fill panel walls with no penetrations. Housing and
communal residential buildings are excluded.
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, B1.3.3(a), B1.3.3(f), B1.3.3(h), B1.3.3(i), B1.3.3(j), B1.3.3(q), B1.3.4
BRANZ Appraisal 722
- Clause B2 Durability: Performance B2.3.1(b), B2.3.1(c)
BRANZ Appraisal 722
- Clause C3 Fire affecting areas beyond the fire source: Performance C3.4(a), C3.5, C3.6
BRANZ Appraisal 722
- Clause C6 Structural stability: Performance C6.2
BRANZ Appraisal 722
- Clause E2 External moisture: Performance E2.3.2, E2.3.3, E2.3.7
BRANZ Appraisal 722
- Clause F2 Hazardous building materials: Performance F2.3.1
BRANZ Appraisal 722
Notes
NZBC
Clause B1 – Structure
The
KOROK® Systems meet the requirements for loads arising from
self-weight, earthquake, wind, impact and creep and shrinkage.
NZBC
Clause B2 – Durability
Under
normal conditions of dry internal use, KOROK® Intertenancy Systems
have a serviceable life in excess of 50 years and satisfy the requirements of
NZBC Clause B2 – Durability.
NZBC
Clause C6 - Structural Stability
In
order to satisfy the requirements of the New Zealand Building Code (clause 6)
relating to “structural stability” designers must ensure that KOROK®
elements are supported by primary elements that have at least the same fire
rating as the KOROK® system that is used. Where the primary elements
supporting the KOROK® system are outside the fire cell, there is no
requirement to apply the same FRR as the KOROK® system.
Notwithstanding, post fire stability requirements of the NZBC must also be satisfied.
Evidence
The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
BRANZ Appraisal 722