77ID Fully Rebated Door




Our highest-performance door, the 77ID fully rebated door system is ideal for new build and refurbishment developments. This system integrates minimal sightlines into our 77 window systems and is suitable for use in both high and low-rise buildings. The system has been specifically designed to meet the most demanding UK performance requirements in terms of thermals, weathering and security.


77ID Data sheet

Modern contemporary styling and a wide variety of configurations delivering 2025 future ready thermal performance through the latest industry technologies of high-performance polyamides, insulated centre seals, profile foam insertions and class leading weather performance via multiple seals including central gasket which also improves acoustic performance. The 77ID system also fully integrates into our curtain wall and 77 window systems.

The 77ID delivers outstanding performance, featuring impressively low U-values of 1.2 Uw for double glazing and 0.8 Uw for triple glazing.

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Design features

  • Highest levels of thermal performance
  • Multi chamber low lambda polyamide thermal breaks insulated composite centre seals and profile foam inserts
  • Integrates with AluK curtain wall and 77 series window systems
  • Dedicated groove for factory mounting of membranes ensuring air, wind and water performance
  • 77mm minimal frame depth
  • High performance low threshold solution
  • Fully rebated flush sash profile design for uninterrupted sleek finish


  • Wide variety of configurations
  • Three hinge methods to choose from face mounted, slim barrel and fully concealed
  • Modular locking arrangement both handle or key driven locks
  • Incorporates the AluK Novaue handle design range for suited windows and doors
  • Customisable in almost every possible single or dual colour polyester powder coating, textured or anodised finish available
  • Enhanced PAS24 security tested solutions
  77ID Door
U value W/m²K (Double glazing) : 1.2 W/m²K
U value W/m²K (Triple glazing) : 0.8 W/m²K
Air tightness (Pa) : Class 4 (600pa)
Water tightness (Pa) : Class 9A (600pa)
Wind load (Pa) : C5 (2000pa)
Security PAS 24 : PAS24
Certifications : X
Secured by design : X
Size limits
System depth : 77mm
Low threshold : X
Multi-point locking : X
Single colour : X
Dual color option : X
Textured : X