






Our stunning premium series openable windows and doors are:
Certified as per: Wind: Class CE2500 (2.5 kpa) as per BSEN12210 Water: Class E750 ( 750 pa) as per BSEN12208 Air: Class 4 (600 pa) as per BSEN 12207 Your window’s WiWA© score will change depending on where you live and other conditions like the type of your house (a bungalow or an apartment).