The OW80 Window boasts excellent performance. With an industry-unique internal and external flush casement also offering exceptionally large window sizes.

The OW-80 is both PAS 24 and Secured by Design accredited, ensuring you of the greatest level of security. Additionally, the hinges are made ofcorrosion-resistant stainless steel and have been cycle tested 50,000 times.

The OW-80 has been engineered to offer optimal thermal efficiency. Additionally, it’s the only window system that can be upgraded to include space age technology, Aerogel. By being fitted in the polyamide break, it boosts the window’s energy efficiency by up to 67%, allowing it to achieve a u-Value as low as 0.8W/m²K.

Key Features

• • Flush Casement
  • Can use Aerogel Technology
  • Secured by Design
  • Excellent Thermal Performance & Energy Rating
  • Up to a 20 year Guarantee