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Interior window

From our fixed interior windows, you can choose from three different models.

  • SI/1K with harden flat glass
  • SI/1K_37 dB with sound-insulated flat glass
  • SI/2K_42 dB with sound-insulated 2K glass element

In all window models, the frame and glazing beads are made of pine. The surface treatment can be chosen as painting, staining treatment, or sauna protection. The frame depth is 92 mm.

Alavus sisäikkuna 1
Alavus Sisäikkuna 2

Interior window (SI/1K) from outside and inside

Interior window technical information

Wood products: Frame of several parts glued and finger jointed pine

Frame depth: 92 mm

Surface treatment: Wooden parts painted or stained

1K 4 mm harden glass (SI / 1K)
1K Optiphon laminated glass (SI/1K_37 dB)
2K Optiphon laminated glass (SI/2K_42 dB)



SI 1K 37dB


SI 1K 42dB


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