We hereby certify that all products supplied by Alitech Window Systems meet or exceed the requirements of the New Zealand Building Code and New Zealand Standards; NZS4211, Performance of Windows, and NZS4223, Glazing in Buildings - Parts 1-4 incl.
This means our windows and doors have been designed and successfully tested to perform in New Zealand’s most diverse conditions, and will:
- Satisfy the strength and deflection requirements of the standards
- Deliver the desired levels of weathertightness appropriate to the prescribed wind zones
- Meet the air leakage requirements necessary to provide comfort and efficiency
- Include glazing of appropriate weight, strength and safety to satisfy not only the expected wind load but also accidental human impact
NZBC CLAUSE B2 – DURABILITY.
Alitech Window Systems products can be expected to deliver a trouble free serviceable life. Clause B2 requires that building elements such as windows and doors, including gaskets, glazing and glazing beads, must have, with normal maintenance only, a durability of not less than 15 years, and that components such as window fasteners, door rollers, weather piles and the like, with normal use, have a durability of not less than 5 years.
NZBC CLAUSE E2 – EXTERNAL MOISTURE.
Window and door units provided by Alitech Window Systems will comply with the appropriate clauses of E2/AS1 and generally satisfy the requirements of Clause E2. Installation in accordance with either E2/AS1, or specifically prepared shop drawings, is a requirement of the Product Warranty.
In accordance with the TERMS AND CONDITIONS OF SALE a warranty for all Alitech Window Systems products is provided, under normal conditions of use, against failure of materials and/or workmanship for a period of 5 years from the date of practical completion.
The surface finishing of the aluminium extrusion is covered by a separate Performance Warranty which is dependent on the actual finish selected.
A window and door hardware warranty protects against defects in manufacturing, functionality and surface finish for a period of 5 years, provided care and maintenance guidelines have been followed. Plated (soft) finishes are excluded from the warranty.