Alu2wood
The Alu2wood range of windows and doors from OPTWIN offers a high performance and attractive option for specifiers of Passivhaus, AECB Gold Standard, Code for Sustainable Homes Level 5/6 buildings and other low energy buildings.
- Ultra low U values
- Passivhaus Institut certified thermal-bridge-free connection
- Triple glazing with warm edge spacers
- Wood fibre insulation in frame
- Low maintenance aluminium / timber composite frame
U values
- Triple glazed Uw= 0.77 W/m2K
Ideal for:
- Passivhaus and Code for Sustainable Homes Level 5/6 buildings
