MB79N

Thermal insulation of profiles

Uf > 0,83 | W/(m2K)

Watertightness of windows

E 1950 

Air permeability

class 4 | EN 12207:2001

MB86N

Thermal performance: profiles

Uw from 0.62 | W(m2K)

Air permeability: windows

class 4 | PN-EN 12207

Watertightness: windows

class E 4800 Pa | PN-EN 12208

Wind load resistance: windows

class C5 | PN-EN 12210