Aluminium exterior door L522-1 made to order

Premium aluminium exterior door with advanced thermal insulation and sleek modern profile, designed for residential properties demanding superior energy efficiency. Robust construction with multi-layer glazing delivers exceptional acoustic and climate comfort.

The L522-1 positions itself as a premium solution for exterior openings, merging contemporary aesthetic demands with industry-leading technical performance. Developed and tested to international standards, the aluminium profile meets the needs of owners who value durability, insulation, and modern design without compromise.

The 92 mm system depth integrates an articulated thermal break of 34 mm, effectively blocking heat transfer through direct conduction. Aluminium leaves at 3 mm thickness ensure structural rigidity and long-term resistance to deformation. Glazing comprises four layers—a triplex-satinato-triplex assembly of 44.1 mm—combining visual clarity with natural light diffusion and supplementary thermal barriers. Triple EPDM seals guarantee persistent weather-tightness, wind resistance, and air infiltration control across all conditions.

The thermal coefficient Ud of 0.85 W/m²K (certified by ift Rosenheim) positions this door within premium energy-performance categories, measurably reducing heating and cooling demands. The profile accommodates flexible dimensions—up to 1,100×2,300 mm in standard configuration, or up to 1,200×2,500 mm for single leaves—adapting to each project's unique requirements. Multi-layer sealing systems absorb exterior noise, protecting interiors from acoustic disturbance and environmental stress.

The geometric profile design avoids ornamental excess, pursuing functional simplicity and balanced proportions. The 80 mm frame depth enables seamless integration into existing constructions, while dimensional flexibility supports both standard openings and unconventional architectural scenarios. Customisation options span finish variations and glazing choices, responding to aesthetic preferences and privacy requirements.

L522-1 suits contemporary residences, selective renovations, and projects centred on energy efficiency. It performs optimally paired with warm interior flooring—solid wood, laminate, vinyl—and minimalist furnishing. Ideal for owners prioritising long-term durability, reduced energy bills, and daily acoustic comfort.

The L522-1 achieves a thermal coefficient of 0.85 W/m²K, certified by ift Rosenheim laboratory—placing it among high-performance exterior doors. This value means minimal heat loss, reduced heating expenses, and compliance with modern energy efficiency standards. The quadruple glazing system combined with the 34 mm articulated thermal break creates a robust barrier against thermal bridging and external temperature fluctuations.

The L522-1 features a 3 mm aluminum construction with a total leaf thickness of 92 mm, ensuring rigidity and dimensional stability over time. Aluminum profiles resist corrosion naturally, require minimal maintenance, and never need repainting; the triple EPDM sealing gaskets along the frame perimeter create a multi-point weather seal that protects against water infiltration and wind pressure—designed to withstand harsh climates.

The L522-1 is available in standard dimensions up to 1100×2300 mm, and for larger openings, the single-leaf configuration accommodates sizes up to 1200×2500 mm (maximum). Any custom size between the minimum and maximum limits is manufactured on order with no additional personalization charge; we recommend precise measurements and door frame levelness verification for optimal installation.

The L522-1 installs into standard 92 mm-deep frames and adapts to typical masonry with polyurethane sealing and plaster adhesive. The aluminum profile with integrated thermal break requires no special framing, but we recommend pre-installation inspection for opening levelness and squareness; professional installation ensures proper sealing adhesion and thermal performance. Consult a specialist for atypical masonry or exceptionally large openings.

The L522-1 is an exterior door built from solid aluminum and quadruple triplex glazing that resists impact and forced entry attempts; the 92 mm leaf thickness and 3 mm aluminum structure provide a solid foundation for quality hardware systems. While no explicit RC (Burglar Resistance) rating is specified in the technical data, the robust construction and multi-point sealing are compatible with standard safety hardware; for specific RC2/RC3 classifications, consult your supplier about upgrade options for certified locks and hinges.

The aluminum profile requires no repainting or varnishing and cleans easily with warm water and neutral detergent; avoid abrasive products that might damage the surface finish. The quadruple glazing (44.1 triplex / 5mm Satinato / 44.1 triplex) cleans like standard glass with dedicated cleaners; inspect the triple EPDM seals annually and clear drainage channels to prevent water buildup. In harsh climates, applying protective coatings to exterior trim and periodic hardware inspection significantly extend the door's lifespan.