HDA Fortis

Heavy-Duty Handed friction stay for enhanced performance in Top & Side Hung for Timber,Upvc and large section Aluminium.

  • Carries commercial vents up to 1200mm Wide or 1800mm High and 140kg in weight.
  • Stays available  in 2.5mm Austenitic Steel or 3.0mm to special order
  • 16.5mm Stack height
  • East to fit with adjustable friction mechanism.
  • Smooth and balanced operation for life – windows open and close with ease.
  • Effective weather sealing and draught proofing fully concealed once fitted.
  • Manufactured from high-grade Austenitic stainless steel for maximum longevity. Even in the most corrosive environments.
  • Austenitic stainless steel cap for added strength.
  • Additional linkage for greater strength and rigidity.
  • Composite steel /plastic slider for strength, durability and smooth operation.
  • Conforms to all leading international window performance standards in the UK (BS6375 Part 2), North America (AAMA 904.1), France (NFP-20-302) and Singapore (SS 212).
  • On any windows over 32Kg we recommend that you fit either our Heavy Duty Friction Arms (HD102) , TEL or TELK support arm