Insulated doors and fire doors, mainly made of metal, especially for cold stores and commercial cold storage and freezer rooms, mainly in the form of sliding doors, hinged doors, lifting doors, swing doors, hatches, high-speed doors and tubular hinge doors

Insulating and fire protection doors essentially not made of metal, in particular made of plastic and/or wood, in particular for cold stores and for commercially used cold stores and freezer rooms, in particular in the form of sliding doors, hinged doors, lifting doors, swing doors, hatches, high-speed doors and tubular hinge doors

Installation, maintenance and repair of insulated doors