Steel Windows
2K is at the forefront of designing and installing premium steel windows and steel window systems for the discerning New Zealand market. Our windows not only provide structural strength and durability but also enhance the aesthetic appeal of any residential or commercial property. Made with precision-engineered steel, our windows offer the perfect balance of form and function, bringing a sleek, industrial look to your space while ensuring security and longevity.
Elevate Your Space with Steel Windows
Our steel windows are renowned for their slim profiles and large panes of glass, which maximise natural light and offer expansive views. This design philosophy ensures that each steel window integrates seamlessly into modern and traditional architectures, complementing any design style. Engineered to withstand NZ’s varied climatic conditions, our steel windows provide superior insulation and weather resistance, contributing to the energy efficiency of your home or building.

Choosing 2K for your steel windows in NZ means opting for a blend of beauty, durability, and performance. Our commitment to excellence is evident in every project we undertake, from the initial consultation to the final installation. We work closely with our clients to understand their vision and provide custom solutions that meet their specific needs and preferences. Let 2K transform your property with steel windows that reflect the highest standards of quality and design, making every view a statement and every room a masterpiece.
Fixed
Secco offers fixed windows in four materials: galvanized steel, stainless steel, corten steel, and brass. Various thermal break options are available to meet the specific performance needs of your project.
Outward
Inward
Secco provides a unified system for its inward opening windows and doors, featuring seals, thermal break profiles, and a complementary array of accessories. Available in rectangular, shaped, or curved configurations, all options are compatible with double glazing. Customize your windows and doors with a selection of glazing bead styles.
Sliding System
Secco’s EBE75 Sliding systems feature small frame sections combined with cutting-edge energy saving performance making them the perfect solution for sustainable design. The 85mm width of the profiles makes it possible to use thick triple glazing with the highest high thermal, acoustic and safety performance.

3D Cross Sections

OS2 Fixed Steel Window – Thermally Broken
OS2 doors are an integrated system with accessories, seals and thermal break profiles of 64/65mm (inward opening) or 65mm (outward opening) deep, allowing for a wide range of windows; rectangular, shaped or curved.
OS2

EBE 75 – Thermal Break System
The profiles of the thermal break system EBE 75 have a depth of 75 mm and can hold insulating glazing panels of up to 48 mm. The sashes and frames are coplanar both externally and internally.
EBE 75

EBE 65 – Thermally Broken
The EBE65 is an integrated system with accessories, seals and thermal break profiles 65 or 73.5mm deep allowing for a wide range of windows, rectangular, shaped or curved.
EBE 65
Frequently Asked Questions About Steel Windows in NZ
Why Should I Consider Steel Windows for My Auckland Home?
Steel windows are a great choice for Auckland homes, offering durability and modern style. With narrow frames, they allow for larger glass panes, maximising natural light and providing unobstructed views. Secco’s steel window options, like the OS2 Fixed Steel Windows and EBE75 Sliding Systems, offer enhanced thermal performance and sleek design. These windows are perfect for modern and industrial-style homes, combining strength, energy efficiency, and excellent views. If you want a stylish and long-lasting window solution, steel windows are the ideal choice for your home.
Are Steel Windows Energy Efficient?
Yes, steel windows are highly energy-efficient, making them ideal for Auckland homes. With thermal break technology, they reduce heat transfer, keeping your home warmer in winter and cooler in summer. When paired with double or triple glazing, steel windows offer excellent insulation, ensuring year-round comfort and lower energy costs. Secco’s EBE75 Sliding Systems and OS2 Fixed Steel Windows provide high thermal performance, making them a smart choice for homeowners seeking improved comfort and sustainability.
What Maintenance Do Steel Windows Require?
Steel windows are low maintenance compared to other materials, making them a practical option for homes in Auckland. To ensure they last, clean them regularly with mild soap and water, and check for signs of moisture or rust, particularly in coastal areas where saltwater exposure can cause damage. Applying a protective coating every few years will help prevent rust and maintain their appearance. With minimal upkeep, steel windows, like Secco’s EBE75 Sliding Systems and OS2 Fixed Steel Windows, offer long-lasting durability, even in Auckland’s diverse weather conditions.
How Long Do Steel Windows Last in New Zealand Homes?
With proper care, steel windows can last for decades, making them a durable and long-term investment for your home. Built to withstand New Zealand’s diverse climate—from harsh sunlight to coastal winds and heavy rain—steel windows are designed for durability. Whether in Auckland’s coastal conditions or the more temperate regions further south, steel windows, such as Secco’s OS2 Fixed Steel Windows, provide lasting performance and value. With minimal maintenance, they continue to offer both strength and style for years, making them a reliable choice for homeowners across New Zealand.
Can Steel Windows Withstand Coastal and Severe Weather Conditions in New Zealand?
Absolutely. Steel windows are an ideal choice for coastal properties in New Zealand. Thanks to powder coatings and other protective finishes, steel windows are highly resistant to salt spray, corrosion, and UV damage. These treatments enhance their durability, ensuring they can withstand the harsh coastal weather in Auckland or other areas with similar climates. Whether you’re near the beach or in a region with severe weather, steel windows provide long-lasting performance and protection, making them a reliable choice for homes exposed to challenging conditions.
What Customisation Options Are Available for Steel Windows in New Zealand?
Steel windows offer a broad range of customisation options to match both your design vision and functional needs. You can choose from various finishes, including powder-coated colours, to complement your home’s décor. For enhanced performance, Secco’s steel windows, such as the OS2 Fixed Steel Windows and EBE75 Sliding Systems, offer options like laminated, tinted, and low-emissivity (Low-E) glass, improving thermal efficiency, reducing energy costs, and providing better privacy. Whether you’re designing a modern Auckland home or a more traditional property, these customisations ensure your steel windows meet both aesthetic preferences and practical requirements, offering lasting style and performance.
How Do Steel Windows Compare to Aluminium and Timber Windows in New Zealand?
Steel windows provide superior strength and durability, allowing for slimmer frames and larger glass areas, ideal for homeowners in New Zealand who want to maximise natural light. While aluminium windows are low-maintenance, steel windows offer stronger structural support, making them the better choice for larger, more intricate designs. Timber windows may provide a classic aesthetic, but they require more maintenance and are less durable in New Zealand’s harsh climate, particularly in coastal areas with strong winds and heavy rain. Steel windows combine minimal upkeep with exceptional strength and modern style, making them a top choice for homeowners across New Zealand.
What is the Typical Cost Range for Installing Steel Windows in New Zealand?
The cost of installing steel windows in New Zealand varies based on factors such as size, design, and customisation options. As a premium choice, steel windows are typically priced higher than other materials like aluminium or timber, but the investment is well worth it. The higher cost reflects their long-lasting durability, superior strength, and the enhanced aesthetic appeal they bring to your home. Additionally, steel windows provide long-term value through energy efficiency and minimal maintenance, making them a cost-effective solution in the long run.
Are Steel Windows Environmentally Sustainable in New Zealand?
Yes, steel windows are a sustainable choice for New Zealand homes. Steel is 100% recyclable without losing its strength or quality, making it an eco-friendly option. Secco’s OS2 Fixed Steel Windows and EBE75 Sliding Systems feature advanced thermal break technology that enhances energy efficiency, helping reduce heating and cooling costs. Choosing these steel windows not only supports sustainable construction practices but also reduces the need for frequent replacements due to their long-lasting durability. With fewer resources required over time, steel windows from Secco offer both environmental benefits and lasting performance, making them a smart, eco-conscious investment for your home in Auckland or across New Zealand.
Can Steel Windows Be Used in Fire-Rated Applications in New Zealand?
Yes, steel windows are an excellent choice for fire-rated applications. Their natural fire resistance makes them ideal for areas where fire safety is a priority. Steel windows provide an added layer of security and peace of mind, helping to protect your property and loved ones in the event of a fire. Whether you’re building a commercial property or a residential home in New Zealand, steel windows offer both strength and fire protection, making them a reliable option for fire safety.