The present disclosure relates to a barrier system for shielding humans from harmful exposure to fire, smoke, noxious fumes, or contaminated air. Some embodiments provide a deployable barrier system that has a barrier retract assist system configured to assist a user in manually moving the barrier from the deployed position toward the retracted position with at least a portion of the barrier being rolled onto the barrel portion for egress past the barrier. The retract assist system can be positioned inside of the barrel portion.

A roll-up door including a flexible curtain having a front surface, a back surface, a first end coupled to a shaft, a second end opposite the first end, and first and second side edges extending between the first end and the second end, the flexible curtain being moveable between a retracted position wherein the flexible curtain is coiled around the shaft and a deployed position wherein the flexible curtain is uncoiled from the shaft. A first retention band is mounted along at least a portion of the first side edge of the flexible curtain, the first retention band including an inner surface at least partially facing towards the flexible curtain, an outer surface opposite the inner surface, a fixed edge attached to the flexible curtain generally parallel to the first side edge, and a free edge opposite the fixed edge and movable relative to the fixed edge.

A multi-curtain assembly includes: first and second curtain segments, each having a leading edge and side edge; an edge fastener having first and second fastener portions proximate the side edge of the first and second curtain segments, respectively, the first fastener portion of the first curtain segment being connectable to the second fastener portion of the second curtain segment to produce a seam as the curtain segments are moved to their closed positions; a motor driving one or more of the barrel assemblies; a synchronizing mechanism synchronizing the barrel assemblies. An overlap fastener, arranged proximate edges of the curtain segments in an overlap region, has aligning portions that align as the side edges are brought into alignment by the edge fastener, to mask at least one side of the fastener seam as the fastener portions are connected to each other.

A multi-curtain assembly includes: first and second curtain segments, each having a leading edge and side edge; an edge fastener having first and second fastener portions proximate the side edge of the first and second curtain segments, respectively, the first fastener portion of the first curtain segment being connectable to the second fastener portion of the second curtain segment to produce a seam as the curtain segments are moved to their closed positions; a motor driving one or more of the barrel assemblies; a synchronizing mechanism synchronizing the barrel assemblies. An overlap fastener, arranged proximate edges of the curtain segments in an overlap region, has aligning portions that align as the side edges are brought into alignment by the edge fastener, to mask at least one side of the fastener seam as the fastener portions are connected to each other.

A fire or smoke curtain comprising ng a plurality of panels (4.sub.1, 4.sub.2, 4.sub.3) of fire curtain material. The panels are arranged to overlap at their edges (7) when the curtain is deployed. Each over-lapping edge has a metallic reinforcing strip (12) that are incorporated with the panels having the said edge along the latter.

A fire or smoke curtain comprising ng a plurality of panels (4.sub.1, 4.sub.2, 4.sub.3) of fire curtain material. The panels are arranged to overlap at their edges (7) when the curtain is deployed. Each over-lapping edge has a metallic reinforcing strip (12) that are incorporated with the panels having the said edge along the latter.

A fire or smoke barrier (1) having a head box (2) for housing a curtain (4) which is open at its underside to allow the curtain to be deployed and withdrawn. The head box (2) houses a roller (3) for the curtain (4) to be rolled from for deployment and rolled back onto for withdrawal and attached at the bottom of the curtain (4) is a bottom bar (7) for weighing down the curtain (4) when deployed. The head box (2) has one or more apertures (14, 15) for cleaning air circulation and being provided at the, or each, aperture (14,15) with a spring (22) loaded trap (16,17) normally held open by a fusible link (31), the link fusing (31) in event of fire.

A fire or smoke barrier (1) having a head box (2) for housing a curtain (4) which is open at its underside to allow the curtain to be deployed and withdrawn. The head box (2) houses a roller (3) for the curtain (4) to be rolled from for deployment and rolled back onto for withdrawal and attached at the bottom of the curtain (4) is a bottom bar (7) for weighing down the curtain (4) when deployed. The head box (2) has one or more apertures (14, 15) for cleaning air circulation and being provided at the, or each, aperture (14,15) with a spring (22) loaded trap (16,17) normally held open by a fusible link (31), the link fusing (31) in event of fire.

A fire protection external vehicle cover including a plurality of panels of a fire retardant material or textile. Each panel is configured to cover an adjacent portion of the cabin of the vehicle; with one or more panels including a retention mechanism to secure the panels by gripping between closed doors and door frames of the cabin. A storage and deployment mechanism is configured to store and deploy the cover from one or more locations on the vehicle; wherein in operation, when deployed, the cover forms an enclosure over the cabin thereby protecting external surfaces of the cabin and thus its occupants and an internal lining of the vehicle from exposure to radiant heat, burning embers and flames if the vehicle is moving through or becomes trapped in a fire.

A fire protection external vehicle cover including a plurality of panels of a fire retardant material or textile. Each panel is configured to cover an adjacent portion of the cabin of the vehicle; with one or more panels including a retention mechanism to secure the panels by gripping between closed doors and door frames of the cabin. A storage and deployment mechanism is configured to store and deploy the cover from one or more locations on the vehicle; wherein in operation, when deployed, the cover forms an enclosure over the cabin thereby protecting external surfaces of the cabin and thus its occupants and an internal lining of the vehicle from exposure to radiant heat, burning embers and flames if the vehicle is moving through or becomes trapped in a fire.