Windows Performance

For project advice and support please contact our Architectural Services Team.

AA®541 Casement Window○
Independently weather performance tested to BS 6375-1: 2009

  • Air Permeability BS EN 12207: 2000 – Class 4
  • Watertightness BS EN 12208: 2000 – Class 9A
  • Resistance to Windload† BS EN 12210: 2000 – Class AE2400
  • Security - BS 7950: 1997 Amendment 1, 2 and 3▲□

AA®542 Pivot Window○
Independently weather performance tested to BS 6375-1: 2009

  • Air Permeability BS EN 12207: 2000 – Class 4
  • Watertightness BS EN 12208: 2000 – Class 9A
  • Resistance to Windload† BS EN 12210: 2000 – Class AE2400

AA®601TE & AA®601TEPlus Casement Window○
Independently performance tested at the Building Research Establishment to BS 6375-1: 2009

  • Air Permeability BS EN 12207: 2000 – Class 4
  • Watertightness BS EN 12208: 2000 – Class 9A
  • Resistance to Windload† BS EN 12210: 2000 – Class AE2400
  • Security - BS 7950: 1997 Amendment 1, 2 and 3▲□**

AA®602TE Pivot Window○
Independently performance tested at the Building Research Establishment to BS 6375-1: 2009

  • Air Permeability BS EN 12207: 2000 – Class 4
  • Watertightness BS EN 12208: 2000 – Class 9A
  • Resistance to Windload† BS EN 12210: 2000 – Class AE2400

AA®603TE Tilturn Window○
Independently performance tested at the Building Research Establishment to BS 6375-1: 2009

  • Air Permeability BS EN 12207: 2000 – Class 4
  • Watertightness BS EN 12208: 2000 – Class 9A
  • Resistance to Windload† BS EN 12210: 2000 – Class AE2400
  • Security - BS 7950: 1997 Amendment 1, 2 and 3▲□

AA®603TE Tilt Slide Window (2 pane)○
Independently performance tested at the Building Research Establishment to BS 6375-1: 2009

  • Air Permeability BS EN 12207: 2000 – Class 4
  • Watertightness BS EN 12208: 2000 – Class 9A
  • Resistance to Windload† BS EN 12210: 2000 – Class C4

AA®603TE Tilt Slide Window (4 pane)○
Independently performance tested at the Building Research Establishment to BS 6375-1: 2009

  • Air Permeability BS EN 12207: 2000 – Class 4
  • Watertightness BS EN 12208: 2000 – Class 9A
  • Resistance to Windload† BS EN 12210: 2000 – Class CE2400

AA®3610 Vertical Sliding Window
Independently performance tested at the Building Research Establishment

  • Air Permeability BS EN 12207: 1999 – Class 3
  • Watertightness BS EN 12208: 2000 – Class 9A, 600Pa
  • Resistance to Windload† BS EN 12210: 1999 – Class B5
  • Security – BS 7950: 1997 Amendments 1, 2 and 3▲□

AA®3610LS Vertical Sliding Window

  • Air Permeability BS EN 12207: 1999 – Class 3
  • Watertightness BS EN 12208: 2000 – Class 9A, 600Pa
  • Resistance to Windload† BS EN 12210: 1999 – Class B5

AA®3110 Horizontal Sliding Window
Independently performance tested at the Building Research Establishment

  • Air Permeability BS EN 12207: 1999 – Class 3
  • Watertightness BS EN 12208: 2000 – Class 9A, 600Pa
  • Resistance to Windload† BS EN 12210: 1999 – Class B5
  • Performance is dependant on frame and panel combinations
  • Security - independently tested to ENV 1627 Class 2 by the SKG test institute in the Netherlands□

AA®3110HW Horizontal Sliding Window
Independently performance tested at the Building Research Establishment

  • Air Permeability BS EN 12207: 1999 – Class 3
  • Watertightness BS EN 12208: 2000 – Class 9A, 600Pa
  • Resistance to Windload† BS EN 12210: 1999 – Class B5
  • Performance is dependant on frame and panel combinations
  • Security - independently tested to ENV 1627 Class 2 by the SKG test institute in the Netherlands□

GT70 Slimline Renovation Window
Performance to BS 6375

  • Air Permeability – Grade C at 600Pa
  • Watertightness – no leakage at 600Pa
  • Resistance to Windload - up to 2000Pa*
*2000 Special is dependant upon correct mullion and transom selection to suit span and spacing per project

† Wind resistance is based upon single opening/fixed lights into punched openings. Coupling sections and muntins are selected to suit required windloads and deflection ratios.
▲ Independently tested at an accredited test house.
□ Does not refer to standard hardware, security hardware required.
○ Windows comply with Operation and Strength Test BS 6375 Pt2.
** AA®601TE only.



NBS specification
A product specific NBS Specification is available from our Architectural Services Team.

Details of the Kawneer product tests are available from the Technical Services Department at Runcorn.