The ENERsign® design means minimum frame and maximum glass.

By applying the ENERsign® concept, architects' dreams will come true,
thanks to the combination of the highest levels of heat insulation with a
fantastic optical design.

Viewed from the outside, these windows feature a narrow frame, which can be
integrated perfectly into the shell of the building, and is available in the entire
range of RAL colours.

From the inside, ENERsign® offers the unique comfort of native natural woods,
selected from the range of spruce, larch or oak. Together with the clear
contours, the large-area windowpanes and the rectangular profiles,
ENERsign® represents a successful interpretation of the Bauhaus tradition.