FIELD: fire prevention. SUBSTANCE: barrier has upright bearing frame, preferably of U-shaped form with roller bearings held together by flexible deformable members. The bearings have a flexible fireproof isolating fabric shell fixed on them and are positioned in grooves of longitudinal guides which are top and bottom bearing members of the frame mounted to straddle both the equipment to be protected from fire and the automatic fire extinguishing unit. The frame has a fireproof isolating fabric band mounted to be tightened and fixed permanently. EFFECT: higher efficiency, extended technological possibilities. 3 dwg
