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

Want to learn more?

Experience Rylock's quality, style and performance at your nearest interactive showroom.
Ryan and Adam - Sales Consultants