Key features
PASSIVHAUS INSTITUT CERTIFIED
Certified by the German Passivhaus Institut, the unique design of ENERsign® windows & doors offers some of the most advanced performance in the world. It offers among the lowest U values anywhere, with a whole window Uw value of 0.65 W/m2K and glazing Ug value of 0.53 W/m2K.
UNIQUE PROFILE
ENERsign®is specially designed to minimise frame size and maximise glass size. Viewed from the outside, ENERsign®features a narrow fibreglass frame, which can be integrated neatly into the shell of the building. Viewed from the inside, ENERsign®offers the natural beauty of timber. The slim sightlines and elegant concealed sash design mean that ENERsign®appeals to architects and building physicists alike.
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.