Aluminium Windows custom made in Johannesburg, Midrand, Centurion and Pretoria.

At Alu-Decor, we design, manufacture and install high quality aluminium windows built to last.
Each unit is made in order to ensure a perfect fit, combining style, strength and low maintenance for lasting value in any space.

Why Choose Aluminium Windows from Alu-Decor

Our aluminium windows are built for South African conditions — durable, low maintenance and energy efficient.

Whether you’re upgrading a home, an office or a development, our team ensures precision from start to finish.

Benefits include:

Rust and corrosion resistant, ideal for Gauteng’s weather
Long-lasting powder-coated finishes
Customisable sizes, colours and glass options
Energy-efficient design with double-glazed compatibility
Enhanced security and insulation

Aluminium Window Styles

Casement Windows (30.5 mm & 38 mm Profiles)

Strong, secure and functional. Our casement windows open outwards for maximum airflow while sealing tightly when closed.
Choose from 30.5 mm and 38 mm profiles — perfect for double glazed windows and noise reduction.

Features:

Durable hardware and hinges
Weather-sealed for insulation
Optional double glazing

Sliding Windows

Smooth operation and clean design make aluminium sliding windows ideal for kitchens, bathrooms and offices.

Features:

Effortless glide on high-quality rollers
Maximises natural light and space

Compatible with energy-efficient glass

Cottage Pane & Thin Section Cottage Windows

Bring timeless charm with cottage pane aluminium windows.
We also offer thin section cottage pane designs for a more refined, modern look.

Features:

Classic grid patterns with contemporary finish
Custom colours and frame styles

Minimal maintenance, long lifespan

Fixed Pane Windows

For maximum views and light, fixed pane aluminium windows offer a clean, modern aesthetic.
Perfect for living rooms, staircases and feature walls.

Features:

No moving parts — low maintenance
Excellent visibility and weather sealing

Works well with double-glazed configurations

Retrofit & Replacement Solutions

Still have old steel or timber frames?

Alu-Decor specialises in retrofitting steel to aluminium windows with precision and care, ensuring a perfect fit without damaging your existing walls or plasterwork.

For wood-to-aluminium conversions, our team provides a clean removal and installation process that modernises your space while preserving the architectural character of your property.

We handle everything — from measuring and manufacturing to installation and finishing — for a seamless transformation.

Advantages:

Fast, clean installations
Better insulation and reduced maintenance
Long-term improvement in appearance and durability

Energy-Efficient, Double-Glazed Options

Our energy-efficient aluminium windows are available with double-glazed or Low-E glass for superior temperature control and reduced noise.
Save on heating and cooling costs while keeping your home comfortable year-round.

Built for Lasting Quality

Every window we produce reflects our commitment to precision craftsmanship and reliability.

We use only trusted local materials and proven manufacturing processes to ensure long-term performance.

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