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• Can accommodate a wide range of door closers, automation gear, colours and architectural handles for a truly unique entrance door to every building.

• Anti-finger trap styles for maximum safety and compliance with building regulations.

• Thermal and non-thermal options to allow cost-effective solutions for every type of project.

• Can achieve an unprecedented u-value of 1.8/m²K - suitable for use in thermally demanding applications including residential.


The GT55 TB aluminium door system provides the ultimate combination of security and performance in commercial doors and ground floor screening. Available in a non-insulated version ideal for internal partitioning of premises such as shopping centres, medical centres and schools, and a market-leading thermally-broken version offering all the same benefits with the ability to achieve u-values as low as 1.8 W/m²K. Testing to PAS24 and LPS1175 with advanced electronic locking, and capability of achieving full DDA compliance completes the suite ensuring there is a robust solution for all commercial applications.

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Arkay Windows, 573-575 Lordship Lane, Wood Green, London N22 5LE  |  Tel: 020 8889 6821  |  Email: | Terms & Conditions


020 8889 6821