Why We Developed Stealth Windows – The Story Behind the Innovation

When it comes to home security, most people think of alarms, cameras, and locks. But few homeowners realise that their aluminium casement windows — the same ones found in most houses across South Africa — have a built-in weakness that intruders know all too well.

The Problem We Saw Every Day

After years in the window and security industry, we repeatedly saw how criminals could remove the external glazing beads from standard aluminium windows in minutes — often without making a sound.
These beads hold the glass in place, and once they’re pried off, the glass can be removed quickly, giving intruders a silent entry point.

We knew there had to be a better way.

The Vision: Security without Sacrificing Style

Our goal was simple: create a window system that:

Looked sleek and modern.
Removed the easy-access weakness of external beads.
Worked for both new homes and existing windows and doors.

We didn’t want to add bulky burglar bars or unsightly frames — security should be built in, not bolted on.

The Breakthrough: Beadless, Internally Glazed Windows

After extensive design and testing, Stealth Windows were born.

Instead of holding glass in place with external beads, we secure it internally using structural silicone inside our patented profiles. This means:

Stronger resistance against intruders trying to attack from outside.
Thin Plexiglas pads strategically placed to reinforce potential weak points.
The option to connect glass to your alarm system via our patented Armed Glass technology.
A cleaner, more modern appearance with uninterrupted lines.
Compatibility with aluminium door profiles for improved aesthetics.
Enhanced waterproofing and long-term durability.

More Than Just Security

While our top priority was making homes harder to break into, Stealth Windows offer much more:

Aesthetic upgrade – Sleek, modern frames with the option for digitally printed designs.
Better insulation – Keeps your home cooler in summer and warmer in winter.
Low maintenance – No loose beads, less wear and tear.

Perfect for New Builds and Retrofits

Whether you’re building your dream home or upgrading your current one, Stealth Windows are designed to fit seamlessly. In many cases, we can replace your existing glass panes without removing the original frames — giving you all the benefits of Stealth without major renovations.

Ready to see the difference for yourself?

📞 Call us on 021-8833551 or visit www.stelluminium.co.za to book your free consultation and demo in the Western Cape.
Stealth Windows – a product of Stelluminium.