ALUPROF MB-104 Passive
ALUPROF MB-104 Passive – passive building
The MB-104 Passive is a thermal break-equipped window & door system that provides the highest thermal insulation performance, and meets all the requirements for passive building components.
This door system is based on the MB-104 passive windows and door system. For further information please see the window system MB-104 passive or click here.

MB-104 AERO
- excellent thermal insulation performance: UD from 0,62 W/m2K
- standard-exceeding tightness and insulation performance