BAL C40 Series - Certified Solutions Double Hung Window
Double Hung windows open top & bottom sashes simultaneously. Warm air moves through the top, with cool passing through below.
- Counter balanced mechanism
- Vent locking for secure ventilation
- Double glazed only, with Low e & obscure options
- Extruded fly screens with stainless steel mesh
- Tested & complied for use in areas up to BAL 40
- 90mm deep aluminium frames
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