MB-78 EI

The MB-78EI system is used to make internal or external fire partitions with single and double-leaf doors with fire resistance class EI 15, EI30, EI45, EI60 or EI90, according to PN_EN 13501-2 standard, these structures in most cases can also have smoke-tight properties of grades S200 and Sa +. Numerous tests and calculations have also proved that the products made of this system have very good thermal and acoustic insulation. Its properties and optimization of technology and production costs, compatibility with other ALUPROF window and door systems as well as consistent technical development make it a very high class product. popular and used on the construction market in a wide range.