Aluminium exterior door L734 made to order

L734 aluminium exterior door with 92 mm profile and quadruple glazing. ift Rosenheim certified, Ud 0.85 W/m²K for superior thermal insulation and weather protection.

The L734 aluminium door stands as a premium solution for main entrances demanding exceptional thermal performance and constructive elegance. Manufactured in Greece, it carries decades of expertise in metal profiling and insulation systems. It occupies the superior segment of exterior doors, designed for high-end residences, villas with challenging climate exposure, and demanding commercial projects where comfort and energy efficiency are paramount.

The 3 mm aluminium profile, organised within a 92 mm system depth, is reinforced by an articulated thermal break of 34 mm that effectively interrupts heat transfer. The 80 mm internal frame depth ensures structural rigidity and optimal water drainage. The quadruple glazing—44.1 triplex exterior / 5 mm Satinato / 5 mm / 44.1 triplex interior—delivers not only thermal isolation but acoustic attenuation of quality, protecting interior quiet regardless of traffic or weather. The triple sealing system, employing high-performance EPDM gaskets, guarantees absolute impermeability and long-term durability.

ift Rosenheim certification with a Ud coefficient of 0.85 W/m²K places L734 among the best-insulated solutions in its class, significantly reducing seasonal heat losses and their direct impact on energy consumption. Aluminium, a stable and 100% recyclable material, requires only minimal maintenance—periodic cleaning maintains appearance and functionality for decades. Flexible dimensions—up to 1100 × 2300 mm in standard configuration, or single leaves to 1200 × 2500 mm—adapt to any opening geometry.

The discrete design and pure geometric lines of L734 integrate seamlessly into both contemporary and classical façades. Profiles do not dominate; they refine and support the visual composition. Aluminium permits multiple surface finishes and customised treatments—from anodising to specialised brushing—aligned with the project's colour palette and identity.

L734 is recommended for main entrances of villas and holiday homes, boutique spaces demanding presence, and commercial buildings with elevated standards. Integration with windows and solar control systems from the same series creates aesthetic coherence and performance uniformity across the entire building envelope. Investment in L734 is investment in enduring comfort and measurable energy efficiency.

The certified Ud value of 0.85 W/m²K indicates superior thermal performance — heat loss is minimal, directly reducing heating bills. The quadruple glazing combined with the articulated 34 mm thermal break achieves optimal balance between insulation and structural durability.

Yes, the L734 series can be custom-ordered up to the maximum single-leaf dimensions of 1200×2500 mm. The 80 mm frame depth adapts easily to various wall thicknesses, while the 92 mm profile remains constant in construction, ensuring identical thermal and mechanical performance regardless of size.

The L734 uses high-strength aluminium hardware with hidden hinges and three-point EPDM sealing, preventing lateral force and structural twist. The 3 mm aluminium profile thickness and quadruple glazing structure provide significant mechanical resistance, achieving RC2 classification with appropriate hardware (final certification recommended with installer).

The three EPDM gaskets are positioned on the horizontal and vertical sides of the frame, creating multi-point sealing that prevents water and air infiltration. The system works as a continuous barrier — water drains outward and cold air cannot enter, directly contributing to the low Ud value and interior comfort. EPDM is elastic and durable, resistant to thermal fluctuations.

The 80 mm frame is mounted in the raw wall and compensated with external insulation casing, compatible with solid brick, aerated concrete, or cavity brick masonry. The integrated drainage system (due to the 34 mm articulated thermal break) ensures water evacuation from condensation or rain. We recommend professional installer consultation to verify specific wall thickness and ensure compliance with local insulation and sealing standards.

The L734 quadruple glazing consists of 44.1 triplex exterior, 5 mm Satinato middle layer (acoustic insulation), and 44.1 triplex interior. This configuration is optimized for maximum thermal insulation (corresponding to Ud 0.85) and exterior noise reduction. Satinato provides privacy and aesthetic appeal, while triplex structure (three bonded layers) ensures safety — if broken, fragments do not separate.