Certified as per:
Wind: 2.00 kPa as per ASTM E330
Water: 450 Pa as per ASTM E 331
Air: 450 Pa as per ASTM E 331
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).
Find out the right WiWA© score your window needs and ensure superior protection for your loved ones.