Series 41 Heavy Duty Lift Out Secondary Glazing  

 

A heavy duty lift out is suited to larger shaped and circular windows or those requiring thicker glass specifications. 

  • Frame width 1200mm
  • Frame height 2400mm
  • U-value 2.58W/m2K (6-12mm standard glass with timber primary window)
  • dB reduction 45dB (Rw) (6-6.4mm glass with 100mm cavity)