Two Pane Double-Hung Window
Doumode Servery/Double Hung Window
The best of both worlds! This window system allows the two moving panes to be moved individually.
Excellent in areas with eave protection, so the top pane can be left opened and locked with little reason to be concerned about rain coming in due to shelter from the overhanging eave.
Or vice versa, the bottom pane can be left open so that your roller blinds can be left partly down for privacy but not flapping in the breeze.
Another Duo Mode feature is meeting fall prevention requirements and still maximising ventilation. The bottom pane needs to be restricted to 100mm opening, and the top pane can be opened to 1700mm from the internal finished floor level.
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