TherMac Limited is a uPVC residential joinery manufacturer, supplying quality uPVC windows and doors to the housing market.

Our range is designed specifically but not limited to high UV and coastal areas, meeting and exceeding the requirements for the New Zealand building code.

Under license here in NZ we are manufacturing our windows and doors with Deceuninck profiles. Deceuninck Ltd is a well-established uPVC brand in Europe, with over 30 years’ experience in uPVC products.

We can offer a variety of options for domestic joinery including but not limited to sliding doors, french doors, casement doors, awning windows, casement windows, sliding windows, tilt and turn windows and fixed windows.

All our windows and doors are individually manufactured in our workshop to your specific requirements, therefore ensuring that we can cater to all your specific size and style.