Doors, windows and window displays

Doors, windows and window displays

System MB-78 is used to perform internal or external fire compartments with single or double-leaf door of fire resistance class EI 15, EI 30, EI 45, EI 60 or EI 90, according to standard PN-EN 13501-2:2010. Numerous research and calculations have also proved that products made of this system provide very good thermal (Uf from 1.60 W/m2K) and acoustic (to 40 dB) insulation. Due to its characteristics, optimisation of production technology, compatibility with other window-door systems and constant technical progress, the system is very popular in its product class and has a wide scope of application on the construction market.

The structure of system MB-78EI is based on aluminium profiles with thermal insulation, whose depth is equal to 78 mm. They are characterised by low heat transfer coefficient due to, among other, the use of special, pre-shaped thermal breaks 34 mm wide in their structure. The structure resistance to high temperature is ensured by special elements of fire insulation of GKF or CI introduced into internal chambers of profiles and insulation space between profiles and steel accessories and connectors.

The filling thickness in system MB-78EI is 6-49 mm. The filling can be made of all typical fire proof glass panes as well as layered non-transparent elements consisting of sheet and relevant panels enabling required fire protection. Additionally smog-tight structures can be achieved within this system.

Angle wall connectors available in the system, profile bending and arch structure development options as well as the use of angled sashes and decorative muntins applied on glass affect forms and aesthetics of the development..

The scope of permissible structural dimensions includes fixed partitions up to 4 m of height and swing door with leaf dimensions up top 1.4 x 2.5 m. Doors of system MB-78EI can be installed both individually, within larger structures of glazed walls as well as on fire safety elevations of systems MB-SR50EI and MB-SR50N EI. Great structural potential, freedom of choosing various hinges, locks, self-latches and other ironwork as well as optimised production technology are only some of the many advantages of this system. It also enables execution of automatic slide doors MB-78EI DPA of fire resistance class EI15 or EI30. Additionally it functions as the basis for the structure of non-muntin walls MB-78EI, walls MB-11EI that allow for achievement of rise resistance class EI120.

System MB-78EI has been awarded a technical approval of the Building Research Institute number AT-15-6006/2012 as well as British certificate CERTIFIRE number CF 5138