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BO Fenster
Timber-aluminium windows

DUOLINE 88

Timber-aluminium

DUOLINE 88

Data from the BO Fenster 2026 brochure. Uw refers to the complete window, Ug to the glazing. Calculated values depend on dimensions, glazing and options. Final specifications are provided in the quotation. Uw values calculated with a thermally insulating Swisspacer spacer.

88 mm

Profile depth

32–58 mm

Glazing thickness

4

Seals

Timber-aluminium window with a 88 mm timber frame and 14 mm exterior cladding. Total depth 102 mm, with pine or meranti inside and a RAL exterior finish.

This system is part of the solutions used by BO Fenster. The final choice always depends on measurements, the building, performance goals and installation type.

Colors and finishes

Finishes

  • Opaque paint or stain
  • Four protective coats
  • Confirm colours using samples
Technical specifications and documentation

Detailed technical parameters

Uw 0,79 W/m²K
Total depth with aluminium
102 mm
Reference Uw / Ug
0,79 / 0,5 W/m²K
Timber species
Laminated pine or meranti
Hardware
MACO MULTI-MATIC

Data from the BO Fenster 2026 brochure. Uw refers to the complete window, Ug to the glazing. Calculated values depend on dimensions, glazing and options. Final specifications are provided in the quotation. Uw values calculated with a thermally insulating Swisspacer spacer.

Technical drawings

Could this system fit your project?

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