Key features
PASSIVHAUS INSTITUT CERTIFIED
Certified by the German Passivhaus Institut, Frostkorken timber doors are ideal for Passivhaus and ultra low energy buildings.
HIGH PERFORMANCE
Frostkorken has a whole door UD value of 0.72 W/m2K. Corke frame insulation is used to minimise thermal bridging through the doors.
NATURAL MATERIALS
Frostkorken uses natural cork to insulate the timber frame. Natural plant-oil based finishes are used to treat the timber.
SUPPLY & FIT
Green Building Store offers a fitting service which is accredited with both FENSA and Constructionline. We can fit everything from single houses to social housing developments. The service is available for most
areas of the UK, dependent on contract size.
