FIELD: civil engineering; glazing. SUBSTANCE: multiple glass unit has profiled glass flanges formed by protruding glass edge extending beyond the opposite side or glass strip glued the glass. The double glass pane is fixable in an enveloping casing directly or by means of racks and may have also pentagonal form. Device for fixing double glass pane covers the whole double glass pane surface, is rigid and engages both of the glasses, receives and distributes stresses arising due to bearing reaction forces. Device has the form of a grille or has some more complicated pattern. Windows are manufactured with pentagonal leaves and triangular or tetragonal air vent narrowing downwards to prevent from penetrating the house through the air vent. EFFECT: simplified window construction and operation reliable protection capability. 12 cl, 5 dwg
