Aluminium exterior door L720 made to order

L720 aluminium exterior door with ultra-slim profile and quadruple thermal glazing. Exceptional thermal performance (Ud=0.85 W/m²K) for premium residential and commercial entrances.

The L720 represents the reference solution for high-class entrances, combining the architectural refinement of aluminium with the latest thermal and acoustic insulation systems. Designed for owners with exacting standards, this door balances minimalist form — with profile depth of just 80 mm and 92 mm total thickness — with construction technology established across Europe. The structural system relies on 3 mm treated aluminium profile, articulated by a 34 mm thermal break that fragments heat transfer across successive stages, eliminating thermal bridges. The quadruple glazing (44.1 triplex / 5mm satin / 44.1 triplex configuration) creates three air insulation chambers, while triple EPDM gaskets ensure absolute tightness against water and wind infiltration across the entire frame. This constructive density significantly reduces sound transmission and protects the interior against climate stress and exterior noise.

Thermal performance certified to ift Rosenheim standard (Ud=0.85 W/m²K) places L720 in the category of European luxury doors, aligned with Passivhaus standards and rigorous energy efficiency regulations. The glazing mass and articulated thermal discontinuity minimize seasonal heat loss, reducing climate system loads and maintaining constant interior comfort year-round. Rigorous testing guarantees performance at large dimensions — up to 1200×2500 mm in single-leaf configuration, enabling projects with open, luminous, and architecturally generous spaces.

Dimensional flexibility and slim profile support integration into any stylistic context — from contemporary residences with expansive glazing, to commercial spaces, executive offices, or contemporary façades requiring balanced proportions. The door accepts both standard swing and pivot opening systems, adaptable to functional user preferences. The raw aluminium finish ensures chromatic neutrality, easy material combination, and durability without premature UV degradation.

L720 addresses buyers who accept no compromise on energy efficiency, acoustic insulation, and lasting durability. Greek manufacturing by Thiral, systematized to strict European protocols in aluminium profiling and thermal consolidation. Recommended for passive houses, premium renovations, luxury offices, and any project prioritizing superior-quality entry with high climate protection and verifiable performance.

This L720 door achieves a thermal coefficient of 0.85 W/m²K (certified by ift Rosenheim), placing it among premium entrance solutions. This exceptional performance comes from the 34 mm articulated thermal break combined with quadruple insulating glazing. Compared to standard doors, you benefit from significant long-term heating savings, making this investment highly cost-effective for high-end residential and commercial properties.

Yes, the L720 features an ultra-slim aluminium profile – the leaf thickness is only 3 mm, creating a refined, contemporary look. The total system depth of 92 mm enables seamless integration into modern interiors. This slender design does not compromise performance: the 92 mm leaf depth combined with the 34 mm articulated thermal break ensures both structural integrity and maximum thermal efficiency.

The 34 mm articulated thermal break uses composite polymers to interrupt heat transfer between inner and outer aluminium profiles. Unlike fixed traditional insulation, the articulated design efficiently distributes thermal and mechanical stress, delivering superior resistance to temperature fluctuations and climate variations. This ensures long-term stability and consistent thermal performance regardless of weather conditions, making it ideal for high-performance entrance doors.

Standard dimensions range up to 1100×2300 mm for typical configurations, with a single-leaf maximum of 1200×2500 mm. However, this door can be custom-manufactured to your exact specifications. We recommend precise measurements of your opening and consultation with an installation specialist who can verify compatibility with existing frames or propose remodelling solutions to ensure perfect fit and performance.

The L720 features quadruple insulating glazing: 44.1 triplex + 5 mm Satinato + 44.1 triplex – a high-performance configuration that delivers both thermal and superior acoustic insulation. Reinforced triplex glass reduces external noise and provides impact protection, essential for homes near busy roads or commercial spaces. The 5 mm Satinato layer absorbs vibrations and sound energy, significantly enhancing acoustic performance.

Clean the L720 regularly with lukewarm water and neutral detergent, then dry with a soft cloth. The 3-point EPDM sealing should be inspected annually and cleaned of debris that could affect operation. The aluminium finish is highly durable and UV-resistant, lasting 15-20 years under normal exposure conditions. Avoid abrasive materials and harsh solvents that could damage the protective coating. Feathering and hardware should be lubricated annually for smooth operation.