The Drop-Line system consists of a series of sash profiles with a clean cut and inclined shape to be used on the frame of the Coplanare system to allow the use of double glazing instead of triple.
The result is a modern and rigorous shape, in line with the current trend of contemporary design.
frame: 68×70
door: 68×81
Softwood: Uf = 1.4 W/m²K
Hardwood: Uf = 1.6 W/m²K
