KD51 rebated thermal doors are a contemporary solution for any residential installation project. They can be bespoke designed to match any property’s design aesthetic and provide outstanding levels of thermal and security performance. If you’re a glazing installer who regularly works on residential installations or an aluminium manufacturer who wants to offer your customers the best aluminium residential doors, the KD51 is the door system for you.

The KD51 thermal door system can be configured to open either inwards or outwards. It is glazed with 28mm high performing double glazing as standard and features mechanical corner joints for easy fabrication. It is compatible with the entire suite of exlabesa aluminium window systems and can feature multi-point locking systems for enhanced security. The system uses a fully rebated design with double gasket seal to maximise thermal performance and is thermally broken to further enhance energy efficiency criteria.

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  • Technical information
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  • Features

    • Mechanical corner joints
    • Polyamide thermal breaks for superb thermal performance
    • Compatible with EBS window systems and curtain wall
    • Inward and outward opening configurations
    • Multi-point locking systems
    • Internally beaded for enhance security
    • Corrosion resistant finish

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    Technical information

    • 32,8mm double glazing as standard
    • 75mm polyamide sub-frame section
    • U-values as low as 1,4W/m²k
    • Maximum sash size: 1100mm x 2400mm
    • Available with or without mid-rail section
    • Single or double door configuration
    • Maximum door weight: 50kg
    • Maximum glazing thickness: 32,8mm

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    What is a thermal door?

    A thermal door is a door that is made with thermal efficiency in mind. The thermal doors efficiency is maximised by the incorporation of high-performance double glazing, a double gasket seal and thermal breaks.

    Are aluminium doors thermally efficient?

    Yes, they are very thermally efficient because of the thermal break that is incorporated in the design. This means aluminium doors can reduce your carbon footprint, save you money on energy bills and keep your home cosy all year.

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    Opening of door handle

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