Aluminium exterior door L549 made to order

High-performance exterior aluminium door L549 with thermal coefficient Ud 0.85 W/m²K and quadruple glazing for superior energy efficiency. Robust 92 mm system depth with articulated 34 mm thermal break and triple EPDM sealing.

The L549 exterior door represents a premium access solution for residential and commercial projects prioritizing thermal performance and long-term durability. With a thermal coefficient Ud of 0.85 W/m²K (certified by ift Rosenheim), this aluminium profile meets the most demanding European standards for energy efficiency. Positioned in the upper market segment, the L549 delivers the optimal balance between material quality and certified thermal protection.

The aluminium profile features a 3 mm thickness reinforced by an articulated 34 mm thermal break, preventing heat transfer between interior and exterior environments. Total system depth is 92 mm, with frame depth of 80 mm and leaf thickness of 92 mm, ensuring structural rigidity and long-term stability. The glazing system employs quadruple configuration — 44.1 mm triplex / 5mm Satinato / 44.1 Triplex — combining superior thermal insulation with acoustic performance. Three EPDM gaskets create a reliable seal against air and water infiltration, even under severe weather conditions.

Thermal performance translates directly into measurable benefits: enhanced interior comfort and reduced heating costs. The synergy between system depth and articulated thermal break creates an effective barrier against heat loss. The quadruple glazing, with its Satinato interlayer, adds solar control capabilities, minimizing unwanted heat gain during warm seasons. Triple EPDM sealing ensures decades of reliable performance with minimal maintenance.

With maximum standard dimensions of 1100 × 2300 mm and single-leaf capacity up to 1200 × 2500 mm, the L549 accommodates diverse opening requirements. The system supports both swing and custom opening configurations. Aluminium's aesthetic neutrality enables seamless integration into modern, contemporary, or restoration projects, with full customization through anodized or RAL-painted finishes.

The L549 is ideal for: primary entrances in premium residential projects, commercial and institutional buildings requiring certified thermal performance, spaces demanding combined acoustic insulation and minimalist design, and any project where energy efficiency drives design decisions. Combined with premium flooring (solid hardwood, high-grade ceramic) and anodized or RAL-painted aluminium finishes, the L549 sets the standard for exterior doors in its class.

The L549 door achieves a Ud coefficient of 0.85 W/m²K, certified according to ift Rosenheim testing. This value reflects superior performance thanks to the quadruple glazing system and the 34 mm articulated thermal break, providing exceptional thermal comfort and significant energy loss reduction.

The L549 uses an aluminium profile with 3 mm thickness and an articulated thermal break system for maximum efficiency. The complete structure has a total depth of 92 mm with a frame depth of 80 mm, ensuring rigidity and long-term durability.

The door is equipped with a quadruple glazing system: 44.1 triplex exterior / 5mm Satinato / 44.1 triplex interior. This configuration ensures not only superior thermal insulation but also significant acoustic attenuation due to the layered glass and differentiated thicknesses that reduce noise transmission.

The L549 door is available in standard configuration with maximum dimensions of 1100×2300 mm. For projects with specific requirements, custom leaf sizes up to 1200×2500 mm can be manufactured, allowing perfect adaptation to any opening and unique architectural design.

The L549 door is equipped with 3 EPDM gaskets, a multi-point system that ensures complete sealing around the entire frame perimeter. These gaskets prevent water and wind penetration, maintaining thermal and acoustic integrity throughout the product's lifespan.

The L549 door with a frame depth of 80 mm is installed as standard in masonry frames or with specific anchors for modern construction. The total depth of 92 mm allows secure mounting in almost all wall thickness types (from 75 mm to 300+ mm), with professional recommendation for frame adaptation to local conditions and architectural requirements.