Aluminum and PVC both have their own unique advantages. That is why Deceuninck has designed its PVC (Elegant) and aluminum (Decalu) profiles to be so well-matched that they can be used together in construction projects. A great deal of attention has also been paid to the technical details. Both profiles have an identical hardware groove, which reduces complexity for manufacturers and installers. This is because no different hardware components are required.

Plastic front doors are known for their excellent insulating properties. They keep heat inside in the winter and outside in the summer, which contributes to energy-efficient living. In addition, they are low-maintenance, weather-resistant, and offer excellent value for the money.
Deceuninck’s Elegant ThermoFibra doors take this a step further, thanks to innovative ThermoFibra technology. Instead of steel reinforcement, they use fiberglass, which prevents thermal bridges and improves insulation performance. Combined with Forthex-reinforced frames, the doors deliver outstanding thermal performance, with U_f values starting at 0.99 W/m²K, which also provides excellent acoustic insulation.
In addition to technical advantages, the doors also offer ergonomic benefits. The door leaf
It consists of a single profile, eliminating the need for additional reinforcement. Furthermore, the Forthex 30% reinforcement is lighter and easier to work with, which improves physical comfort for both the window manufacturer and the installer. Thanks to the highly stable door sash with fiberglass and an innovative internal chamber structure, post-installation service is also kept to a minimum.
In terms of sustainability, the doors are made from recycled materials, such as plastic foam and recycled plastic. They come with quality certifications and an RC2 burglary resistance rating, ensuring safety and reliability. Finally, they are available in a variety of colors and finishes, so they perfectly complement any home style.


Aluminum doors stand out for their sleek profiles and exceptional strength. In addition, aluminum doors are elegant, lightweight, weather-resistant, easy to clean, and available in a variety of styles and color combinations. Deceuninck’s Decalu aluminum doors offer several additional excellent benefits. For instance, Decalu doors are timeless, colorfast, and fully customizable to your preferences—for example, in terms of milled lines, glass panels, and trim profiles. They also feature a concealed drainage system and are environmentally friendly, 100% recyclable, burglar-resistant, and certified to various standards.
Many aluminum front doors are prone to warping due to large temperature fluctuations, which can make them difficult to open or close properly. However, thanks to Deceuninck’s anti-bimetal system, aluminum doors continue to function optimally in every season! It’s no coincidence that Deceuninck has obtained a global patent for its anti-bimetal system. The system ensures that aluminum doors do not warp despite varying temperature loads. This is achieved through a unique thermal break combined with a softer co-extrusion, allowing the outer and inner layers of the systems to expand and contract independently of one another without causing permanent deformation. Combined with excellent thermal performance (starting at 0.96 W/m²K), extensive design options, and high user-friendliness, Decalu offers a sustainable, reliable, and aesthetically superior solution for any home or project.
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