70 mm system - standard
70 mm - Double Seal
Double seal systems are fitted with two sealing levels. The outer weather seal is inside the frame leg, the inner inside the sash leg.
70 mm - Centre Seal
In addition to the outer and inner weather seal, centre seal systems are also fitted with a third, centre sealing level. This contributes to enhanced thermal and sound insulation values.
- Standard
- AluClip
- Passive House
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70 mm - Double Seal
70 mm - Double Seal
Double seal systems are fitted with two sealing levels. The outer weather seal is inside the frame leg, the inner inside the sash leg.
Double seal systems are fitted with two sealing levels. The outer weather seal is inside the frame leg, the inner inside the sash leg.