The Vantage warranty certifies that all products meet or exceed the requirements of the New Zealand Building Code means of compliance for windows and doors (NZS 4211 & NZS 4223, parts 1, 2 & 3).
They are guaranteed for five years against failure of materials and workmanship and, as per the Building Code, can be expected to have a trouble-free serviceable life of more than 15 years. Read the terms and conditions.