• GT55 TB

    The GT55 TB aluminium door system provides the ultimate combination of security and performance, it also includes thermal break profiles for improved performance. These aluminium doors are ideal for a range of heavy duty commercial and public sector applications including offices, hospitals, schools and multi-residential buildings.

  • GT55 NI

    The GT55 NI door provides the ultimate in security and is suited to high traffic environments where no insulation is required. Available in standard, PAS 24 and LPS1175 (SR2) options, the GT55 NI aluminium door system is one of the most secure swing doors available on the market. The system has been fully tested with full glazing, no use of steel reinforced panels, as well as with semi-glazing and can be integrated with our ground floor treatment systems

About Us

We understand the importance of delivering to you on-time, in full and in pristine condition to ensure your installation is completed in your timescale. We deliver customer confidence with every order.


Central ASL
24 Kelvin Way Trading Estate,
Kelvin Way, West Bromwich,
West Midlands, B70 7TN,
United Kingdom


© Copyright 2017 Central ASL