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Schüco AWS optimized block window system: a high level of transparency and narrow face widths for design-oriented, sustainable building envelopes

The Schüco AWS 75 BS.SI+ optimized (Block System, Super Insulated) block window system for the 75 mm basic depth is part of the Schüco AWS system platform and enables high energy efficiency and architectural requirements to be fulfilled through its future-oriented, optimised U values and an elegant design without visible vent contours.

Thanks to newly developed thermal insulation technology, our optimised systems achieve a high level of energy efficiency. This significantly improves the thermal performance values compared to the AWS standard system.

The AWS 75 BS.SI+ optimized block window system thereby sets standards in terms of planning and design flexibility for the construction of design-oriented, sustainable building envelopes.

Awards & Certifications

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Awards & Certifications

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Fabrication benefits

  • More applications thanks to improved U values through new, optimised insulating bars, a thermally insulated centre gasket and optimised glazing rebate insulation.
  • Schüco AvanTec SimplySmart fitting ensures efficient fabrication: flexible, simple and intuitive
  • Vent parts are self-positioning and installed without tools
  • Fittings installation without locking bar recess on the vent facilitates faster fabrication as well as simplified, efficient locking bar preparation
  • Symmetrical cavity-fitted gearbox can be used on the right and left-hand side; simplified cutting of the locking bar and reduced storage requirements
  • Rebate gasket optimised for fabrication with optional corner piece


Technical information


Specification texts

CAD data

Test documents