DUALFRAME 75 Si Casement
The Dualframe 75 Si casement window utilises advanced polyamide thermal break technology to provide built in high thermal performance. Dualframe Si aluminium casement windows combine ventilation with easy clean capabilities and safety features for a complete and versatile product. 
Dualframe 75 Si Casement Features
- Top hung, side hung and fixed lights available, including a suite of coupling sections and integration with curtain walling systems.
- BS7950 Accredited and Secured by Design
- Extended leg universal frame profiles.
- 62mm deep box outer frame or 41mm universal frame for deeper plaster lines
- Externally beaded windows also comply with BS7950 and Secured by Design.
- Excellent results in testing for wind resistance, air and weather performance.
- Special gaskets and seals that negate the need for foam inserts into the frame profiles.
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.
TOP HUNG
Vent Size Max. 1720mm (H) x 1720mm (W)
Vent Size Min. 424mm (W) x 249mm (H)
SIDE HUNG
Vent Size Max. 884mm (W) x 1829mm (H)
Vent Size Min. 250mm (W) x 424mm (H)
FIXED LIGHTS 5M2
Glazing Thickness from 24mm to 47mm
Vent weight to 100kg
PAS024 and Secured by Design compliant
A+ Rated WER
U Value of 1.3 W/m2K
PAS 24 and Secured by Design compliant
Available as top-hung, side-hung or fixed lights
88mm sightline maximises viewing area and increases incoming light
Dual colour finish available allowing flexibility in internal and external design
Universal frames can be used with other Dualframe 75 Si products to create screen combinations
Window automatically defaults to Tilt mode when closed
Air Permeability – Class 4 600Pa
Water Tightness – Class 9A 600Pa
Wind Resistance – Class A5 2000Pa
Related Products
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Dualframe 75
75 Si Tilt Before Turn
ST11 Door (thermal)
MX52 Curtain Walling
202 non thermal
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