Aluminium Alloys	HE9  to  BS 1479:1987  EN755-2-606D
Powder paint	Applied to a thickness of 60 microns to BS6496:1984
Weather testing	Category C pass (severe) rating to BS6375 part 1,2 & 3
Hinges	To BS7479:1990 corrosive resistance test
Security	Tested at BSI in accordance with GGF document 6.6 for improved security for windows
ISO 9002	All extruded sections, paint finishes, accessories (locks, handles, hinges etc) are supplied by BSI/ISO 9002 registered companies