Acoustic Series - Certified Solutions Double Hung Window

Double Hung windows open top & bottom sashes simultaneously. The secondary glazing opens easily from the inside.


  • Rw43 sound reduction
  • Tested by CSIRO (STC & Rw+CTR on request)
  • Multiple seals help minimise sound transfer
  • Secondary glazing integrated into reveal box
  • Thermal insulation via secondary glazing
  • 215mm overall depth

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