Upgrade to double glazing - without replacing your windows
Retrofit® replaces your existing single glazing with high performance double glazed units - all while preserving your current aluminium or timber joinery.
Available from our branches nationwide, our Retrofit® service upgrades your home without the need for full window replacement. Retrofitting your existing frames - reduces heat loss in winter, limits overheating in summer and reduces outside noise.
The result? A home that’s warmer, drier, quieter and more comfortable all year round - while improving energy efficiency and overall wellbeing.
Retrofit® Double Glazing is a subsidiary of Metro Performance Glass and New Zealand’s largest retrofit double glazing specialist. Backed by nearly 40 years of industry experience, we deliver trusted expertise and proven performance to homes across the country.