Defender Restricted Friction Stay

Defender Restricted Friction Stay

Defender Restricted Friction Stay

Defender Restricted Friction Stays are for general
purpose use & suitable for both top hung & side hung standard casement windows.

  • Integral restrictor can restrict windows to a maximum opening of 100mm
  • ‘Quick release’ lever for cleaning and ventilation that relocates automatically
  • Suitable for both top hung and side hung casement windows
  • Capable of complying with the child safety requirements of BS6375 Part 2 (600 Newtons)
  • Manufactured from high grade Austenitic (304) and Ferritic (430) stainless steel
  • Available in 13mm, 16mm and 17mm stack heights
  • Top hung application sizes available:  8”, 10”, 12”, 16”, 20”
and 24”
  • Side hung application sizes available: 12” or 16”
  • Top hung recommended maximum sash weight - 20kg - 40 kg
  • Side hung recommended maximum sash weight - 22kg - 24kg
  • Successfully tested to 50, 000 cycles
  • Achieves 96 hours salt spray test
  • BBA approved product
  • Box quantity: 
T/H 12” = 50
T/H 16”, 20”, 24” = 25
S/H 12” = 50
S/H 16” = 25