Custom Aluminium Windows
A combination of modern appearance, durability, and energy efficiency – custom aluminium windows are tailored to the needs of contemporary living and construction. Whether for new builds or renovations, they provide a long-lasting and reliable solution without compromising on aesthetics.


Excellent Insulation and Long Lifespan
Aluminium windows are known for their strength, weather resistance, and minimal maintenance. Thanks to modern thermal breaks and multi-layer glazing, they provide excellent thermal and sound insulation, making the space more energy-efficient and comfortable to live in year-round.
They are design-flexible – available in various sizes, shapes, and finishes, including wood imitation and a wide color palette. Aluminium allows for slimmer profiles and larger glass surfaces, bringing more light and openness to the space without compromising functionality and insulation.
Collection of our custom aluminium windows






From Idea to Realization – Step by Step

Your project begins with a detailed conversation. Our expert team listens carefully to your needs and wishes and provides clear guidance to define the ideal solution for your space together.
We carry out precise measurements on-site and carefully plan every step of your project, taking into account technical feasibility, functionality, and aesthetics.
Using high-quality materials, professional expertise, and modern production techniques, we produce custom-made systems with strict quality control, precision, and attention to every detail.
Our team provides fast, clean, and professional installation within the agreed timeframe, respecting your space, time, and high finishing standards. All that’s left is for you to enjoy your new space.
About Us
Steklo Delux is a company from Slovenia specializing in the design, manufacture, and installation of premium glass and aluminium systems. We stand out for our commitment to material quality, fast project completion, and precision in executing all types of work.

