The MB-78 EI is used to perform internal or external fire partitions with a door single and double leaf doors with 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 shown also that made this system products have a very good thermal insulation (Uf of 1.60 W / m2K) and acoustic (40 dB). Due to its characteristics, to optimize the technology and production costs, compatibility with other window and door systems ALUPROF and consistent technical development is in its class and a very popular product used in the construction market in a wide range.

Resistance to high temperature structures provide special elements of fire insulation GKF or CI introduced in the inner chambers of profiles and the spaces between the insulating profiles and steel accessories and fittings. Fillings can provide all the typical fire-resistant glass, as well as sandwich elements made of opaque sheet and the respective boards provide the required fire protection. Under this system, you can also get smoke proof.

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