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This internally glazed high spec system offers large open-in vent options up to 3.0 m in height and can accommodate glazing units of up to 48 mm in depth. The high levels of weather and thermal performance has been achieved using advanced design coupled with our patented thermal break technology. XT66 Tilt & Turn window is fully certified to CEN Solutions Gold Standard and is Secured by Design certified. It is an ideal choice for all applications and is an ideal solution to high rise buildings allowing safe and easy cleaning from within.

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The system has been tested to BS 6375 - 1 and security tested to PAS 24 It surpasses industry standards in thermal and weather performance and achieved an amazing 1050 Pa in water tightness which is the highest exposure ratings on the market today for a tilt & turn window system. Our patented thermal break technology allows for whole window U-values as low as 1.08 W/ m²K. 






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  • Tested to BS 6375 - 1
  • Air tightness = Class 4 (600 Pa)
  • Water tightness = Class AE1050 (1050 Pa)
  • Wind resistance = Class E2400A (2400 Pa)


  • Security tested to PAS 24: 2016





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  • XT66 Tilt & Turn Brochure Click HERE
  • XT66 Tilt & Turn Shadow Line Option Click HERE
  • BIM Store Models Click HERE
  • SpecifiedBy Click HERE
  • AMS Member Area Click HERE
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At AMS we are always committed to producing systems that are sustainable, high performing with long design life therefore minimising impact on the environment.

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