The MB-78 EI is used to perform internal or external fire partitions with a single and double leaf door of fire resistance class EI 15, EI 30, EI 45, EI 60 or EI 90, according to PN-EN 13501-2: 2010. Numerous studies and calculations have also shown that products made in this system have very good thermal insulation (Uf of 1.60 W / m2K) and acoustic (40 dB) properties. Due to its characteristics, to optimalization of the technology and production costs, compatibility with other window and door systems of ALUPROF and consistent technical development, it is and a very popular product in its class, and it is used in the construction market in a wide range.
- Izolacyjność akustyczna RW do 41dB
- Przepuszczalność powietrza klasa 2
- Wodoszczelność klasa 5A
- Klasy odporności ogniowej od EI 15 do EI 90