The Next Generation Window System

envirowindow® is quite simply one of the best window systems on the market, taking advantage of the
latest advances in glass and using revolutionary TPS technology to provide sealed units and a complete
window system that delivers a U-value of 1.5w/m2K with ease.

The UK's First B Rated Energy Efficient Lead Free PVC-u Window System

- UK's First B rated Window System
- 1.5 W/m2k U-Value
- Lead FREE PVCu Greenline© Profile
- Specifically Designed Cavity Closer
- 24mm Argon Filled TPS Sealed Units
- 70mm OGEE Sculpted Profile
- High Security Multi-point Locking
- Five Chamber Profile
- Superior Quality Handles
- Pilkington K Low E Glass
- 20 Years Guarantee on PVCu
- 10 Years Guarantee on Glass
- 2 Years Guarantee on Hardware
- Friction Stay Hinges
- Secured By Design Option Available
- BBA and BSI Accredited
- Internally Beaded
- Fully Welded Joints