• Obscure glass: yes
  • Glass information: double, triple, laminated
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A cost-effective solution which doesn’t compromise quality. Our spring sash windows are available in Georgian and Victorian styles. Double or triple pane glass encased with a softwood or hardwood frame, protected with Swedish paints of the highest quality.

Our SB delivers excellent, affordable performance.

Technical data

Prefinished wood frames add warmth as well SW-Wooden-Sash-Box-Window-cord-weights-urance. The SB combines high-performance windows with traditional aesthetics.

  • Thermal performance Uw =1,2-1,5 W/m2K
  • Ug=0,7 – 1,0 W/m2K
  • Argon or Krypton gas
  • Psi Spacer 0,013 W/mK
  • G factor 28% – 60%
  • TL factor 56% – 81%
  • PAS 24 and SBD requirements compliance

Available in softwood or hardwood, as well as the entire RAL colour range.


General product information:


Cross-section drawing