Frostkorken
The Frostkorken range of timber 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
- Timber
- Cork insulation
U values
- UD= 0.72 W/m2K
Ideal for:
- Passivhaus and Code for Sustainable Homes Level 5/6 buildings
