Fixed steel windows.
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Fixed steel windows.

Fixed steel windows are engineered to maximise natural light while maintaining refined steel sightlines and structural durability. Without operable components, they provide a clean architectural solution for framing views and introducing generous glazing areas into both residential and commercial spaces.

Often used where ventilation is not required, fixed steel windows are commonly paired with operable doors or window systems to create balanced compositions across large openings. Their minimalist steel profiles allow expansive glass panels while preserving strength and long-term performance.

Explore our Projects Below to see how fixed steel windows are integrated across residential and commercial environments.

Why Choose Fixed Steel Windows?

Fixed steel windows are commonly specified when:

  • Maximum natural light is desired
  • Uninterrupted views are a design priority
  • Large glazed openings are required
  • A complementary system is needed alongside operable windows or doors

Compared to operable windows, fixed systems allow larger glass panels and uninterrupted sightlines while maintaining the durability and longevity of steel construction.

If you are exploring complementary window systems, you may also wish to review Casement Steel Windows, Awning Steel Windows, or Arched Steel Windows.

Internal & External Applications

Fixed steel windows can be specified for both internal and external applications. They are frequently used as sidelights, highlights, or feature glazing panels paired with operable steel doors and windows.

Performance outcomes depend on:

  • Glazing configuration
  • Window dimensions
  • Installation detailing
  • Site exposure

Each system is custom-manufactured to align with project-specific structural and environmental requirements.

Energy Efficiency & Acoustic Performance

When paired with insulated double glazing or Low-E glass, fixed steel windows can achieve strong thermal and acoustic performance suitable for residential and commercial environments.

Performance levels vary depending on glazing specification and installation conditions.

Coastal Durability & Finishes

With appropriate protective finishes and surface treatments, fixed steel windows perform reliably in coastal and high-humidity environments. Powder coating and specialised finishing systems support long-term corrosion resistance and durability.

Internal
External

Clear Glass
Reeded and Patterned Glass
Single Glazing
Insulated Double Glazing
Noise and Sound Attenuation
Low-E Coatings

Single Glazing
U-Value 5.7
SHGC 0.79

Double Glazing
U-Value 2.5
SHGC 0.67

Double Glazing Low-E
U-Value 1.4
SHGC 0.55

Painted
Brass
Stainless Steel
Powder Coated
Raw Galvanised Steel

View projects with our fixed steel windows.

Our range.

Copyright 2025 Metro Steel Windows PL

Website by the Ludbrook Agency

Copyright 2025 Metro Steel Windows PL

Website by the Ludbrook Agency

What are the benefits of choosing steel windows and doors?2026-01-29T17:02:24+11:00

Steel windows and doors manufactured with the Metro M40 System offer unmatched strength while providing slim sight-lines and a modern aesthetic.

They are more durable than alternatives such as wood or uPVC, and unlike aluminium or some other steel profiles, the M40 profile supports large panes of glass without requiring additional mullions, transoms, or bulky reinforced frames.

The Metro M40 System is a complete window and door solution designed specifically for the Australian market. Suitable for both internal and external applications, it combines the classic W20 and W40 steel profiles with the innovation of the Italian Secco systems to deliver a durable, contemporary, and cutting-edge steel window and door solution.

Are steel windows and doors energy efficient?2026-01-29T17:02:24+11:00

Yes, steel windows and doors can be highly energy efficient.

The Metro M40 System is designed specifically for Australian conditions and can accommodate single and double glazing, with or without low-e coatings. All our windows and doors feature premium weather seals to enhance performance and comfort.

For projects that demand advanced insulation, we recommend the Secco OS2 system. The OS2 75 profile incorporates state-of-the-art thermal break technology with high-density polyurethane insulation, while still allowing for double, or triple glazing.

Are steel windows and doors rust or corrode resistant?2026-01-29T17:02:24+11:00

Yes — the Metro M40 System and range of profiles are rust and corrode resistant. Engineered for durability and long-lasting performance, the M40 System is cold-rolled from a galvanized material, eliminating the need for a hot-dipped galvanization process which is often seen with the traditional W20 and W40 profiles made from a mild steel.

Are steel windows and doors heavy?2026-01-29T17:02:24+11:00

Steel windows and doors made from mild steel are often heavy and require additional structural support. In contrast, products made from our M40 profile are up to 35% lighter, while also being straighter and stronger than traditional steel profiles.

This means you get the timeless strength of steel in a design that’s elegant, functional, and built to last, without the unnecessary weight.

How durable are steel windows and doors compared to other materials?2026-01-29T17:02:24+11:00

Steel is approximately three times stronger than aluminium and far more durable than wood or timber, which can rot or require ongoing maintenance.

The Metro M40 profile is 35% lighter than traditional steel profiles, yet stronger, allowing for larger spans of glass without compromising on structual integrity. Made from galvanized steel, the M40 System avoids common issues like warping or mill scale that can occur with heat-treated mild steel used in traditional steel windows and doors. Its smooth, flat surface requires no bog filling or sandblasting, providing a superior finish straight from the factory.

Additionally, steel is naturally non-combustible and fire-resistant, ensuring that windows and doors made with the M40 profile offer long-lasting strength, safety, and performance.

Can steel windows and doors be customized to fit unique sizes and designs?2026-01-29T17:02:24+11:00

Absolutely. Every steel window and door we manufacture is custom-made to suit your project, tailored in both dimensions and design. Whether you’re aiming for a sleek modern look or a classic style, our Metro M40 System brings your vision to life.

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