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DUALFRAME 75 Si Tilt Before Turn

The Dualframe 75 Si Tilt before Turn window uses advanced polyamide thermal break technology to provide thermal performance without the need to resort to complex and costly sealed unit specification.

The Dualframe 75 Si Tilt before Turn windows are the ideal solution for high-rise or commercial applications, combining ventilation with large span openings and easy cleaning facilities.

The specialised profile range adds great flexibility when constructing windows where inward and outward-facing rebates have to be combined, without the need and expense of coupling sections or dummy frame to fixed lights.

Universal frames can be used to create the most complex of screens easily combining casement, tilt before turn, and reversible opening lights, as well as inside and outside glazing. Combined with the option of having different finishes inside and out, the Si suite will give you endless choices.

Why choose Dualframe 75 Si

The Dualframe 75 Si window system is designed to meet all industry regulatory requirements. To ensure that your project complies with all necessary regulations, the Si window system is:

  • Building Regulations Part L compliant for thermal insulation
  • BSI Kitemark accredited to BS4873
  • PAS 24 security certified
  • A + Window Energy Rated
  • Capable of achieving U-values as low as 0.9 W/m²K
  • Green Guide BREEAM A+ rated for commercial windows
  • Dualframe 75 Si windows also achieve high levels of resistance for
  • weather performance. They are rigorously tested to ensure excellent water tightness, air permeability, and wind resistance. Their focus on creating an energy efficient building system will help to lower any building’s carbon emissions and reduce energy consumption.

24mm, 28mm, 32mm as standard
Vent weight up to 100kg
Glazing thickness up to 47mm

  • Vent Size Max. 1440mm (W) x 2440mm (H)
  • Vent Size Min. 470mm (W) x 561mm (H)
  • Fixed lights 5m2
  • Glazing Thickness to 47mm
  • Vent weight to 150kg
  • PAS024 and Secured by Design compliant
  • A++ Rated WER
  • U Value of 1.3 W/m2K with standard DGU

Tilt-before-Turn and fixed lights available including frame couplers and curtain wall interface Key-operated handle, with turn mode only with key inserted, minimises risk of user-injury and product damage
Secured by Design Accredited

Dual-colour finish available allowing for flexibility in internal and external design
Concealed hinges within the frame removing colour matching issues
88mm sightlines maximises viewing area and incoming natural light

Thermal Performance – A++ BFRC(UK) rating
Water Tightness – 600Pa
Air Permeability – 600Pa
Wind Resistance – 2400Pa

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