Automatic smoke curtain
Normally retracted inside a headbox and deployed to a designed position after an approved alarm or control signal.
Engineered smoke barriers coordinated with detection, exhaust and building geometry
Smoke Curtain Systems in Mumbai, Pune & Across India
Smoke-control review, tested curtain selection, structural coordination, installation, interface testing and lifecycle support.
What is a smoke curtain system?
A smoke curtain is a fixed or deployable barrier used to channel, contain or limit smoke movement as part of an engineered smoke-control system. It may form a smoke reservoir boundary, protect an opening or direct smoke toward natural or mechanical exhaust.
A curtain is only one part of the smoke strategy. Drop position, leakage, exhaust rate, make-up air, pressure effects, detection, controls, egress and fire-service operation must be designed together.
Reliance Fire Protection Systems supports design coordination, supply, installation, testing, commissioning and maintenance planning from Mumbai and Pune for projects across India.
Types of Smoke Curtain and Barrier
Fixed smoke curtain
A permanently lowered barrier used to define a smoke reservoir or channel without a motorised deployment mechanism.
Channeling curtain
Directs smoke toward an exhaust route and helps limit lateral spread across a large ceiling or open plan.
Reservoir boundary curtain
Forms part of the boundary that contains a smoke layer at high level for the designed extraction and tenability period.
Perimeter or void barrier
May control smoke movement around atria, voids, escalators or openings when detailed in the approved smoke-control design.
Staged-deployment curtain
Can move to an intermediate smoke-control position before full deployment where the tested system and approved strategy require it.
Smoke curtain versus fire curtain: A smoke curtain does not automatically provide fire-resistance compartmentation. An active fire curtain needs separate tested fire-resistance performance, classification and an approved application. Product names alone do not establish performance.
Smoke Curtain Design and Delivery Workflow
Technical reference: ISO 21927-1:2008, reconfirmed in 2024, specifies performance requirements, classifications and test methods for smoke barriers used in smoke and heat-control systems. The project must also follow current Indian building and fire requirements, authority conditions, the engineered smoke-control design and manufacturer instructions.
System Components and Coordination
Barrier fabric and bottom bar
The tested curtain assembly uses specified fabric, joints, seams and bottom bar to achieve its declared performance and deployment geometry.
Headbox, roller and drive
The housing, roller, motor or fail-safe release and support structure must fit the tested arrangement and remain accessible for inspection.
Side retention and guides
Guides or side retention may be required for leakage, wind pressure or positional control and cannot be assumed interchangeable between systems.
Control panel and power
Controls manage normal position, alarm deployment, supervision, faults, manual operation, staged movement, backup power and reset.
Fire alarm interface
The approved cause-and-effect must define initiating zones, delays, confirmation, local controls, fault monitoring and interaction with other systems.
Smoke exhaust and make-up air
Curtain position must coordinate with exhaust fans or vents, make-up air and pressure effects to achieve the design smoke layer and flow paths.
Critical Design and Safety Checks
Deployment and egress
The curtain must not create an unacceptable obstacle, reduce required exit width, trap occupants or conflict with accessibility and evacuation arrangements.
Structural support
Loads, anchorage, deflection, building movement and substrate suitability must be coordinated with the structural designer and tested installation details.
Ceiling and services interfaces
Headboxes, access panels, sprinklers, detectors, lighting, ducts, signage and other services must not obstruct deployment or maintenance.
Leakage and junctions
Edges, guides, overlaps, columns, adjacent construction and multiple curtain joints influence smoke leakage and must match the calculation method.
Power-failure behaviour
The specified system must move or remain in the required safe condition under loss of normal power, wiring fault or control failure.
Maintenance access
Provide safe access to motors, rollers, controls, guides, fabric and test points without dismantling critical building finishes.
Applications of Smoke Curtain Systems
Atria and large voids
Curtains may contain a high-level smoke layer or limit spill into adjacent floors as part of the engineered smoke exhaust system.
Shopping malls and multiplexes
Open retail circulation and entertainment spaces may use barriers to define reservoirs and direct smoke toward extraction points.
Airports and metro stations
Large transport spaces require coordinated smoke zoning, evacuation, wayfinding, mechanical systems and operational response.
Warehouses and industrial buildings
Fixed or automatic barriers can divide large roof areas into calculated smoke reservoirs while respecting storage and machinery clearances.
Escalators, lifts and openings
Selected openings may require smoke migration control coordinated with egress, lift strategy, doors, shafts and pressure systems.
Hotels, hospitals and offices
Project-specific curtains may support smoke-control arrangements where the approved strategy protects occupants with different evacuation needs.
Inspection, Testing and Maintenance
Visual condition
Inspect fabric, seams, bottom bar, guides, headbox, fixings, corrosion, damage and signs of interference or unauthorised alteration.
Clear deployment path
Remove displays, furniture, partitions, cables or building work that could obstruct travel or prevent the curtain reaching its designed position.
Operational deployment
Test automatic and permitted manual operation, staged positions, final drop, limit devices, reset and retraction according to the approved procedure.
Power and fault testing
Verify normal and standby supply, monitored circuits, fault indications and the required response to power or control failure.
Integrated cause-and-effect
Confirm fire alarm initiation, smoke exhaust, make-up air, doors, lifts, dampers and remote monitoring in the approved sequence.
Records and competent repair
Document tests, defects and changes; repair only with compatible approved parts and competent personnel familiar with the tested system.
Smoke Curtain Systems Across India
Project enquiries are supported across all Indian states and union territories, subject to smoke-control design, tested product classification, structural coordination, approvals, installation access and project requirements.
Andhra PradeshArunachal PradeshAssamBiharChhattisgarhGoaGujaratHaryanaHimachal PradeshJharkhandKarnatakaKeralaMadhya PradeshMaharashtraManipurMeghalayaMizoramNagalandOdishaPunjabRajasthanSikkimTamil NaduTelanganaTripuraUttar PradeshUttarakhandWest BengalAndaman and Nicobar IslandsChandigarhDadra and Nagar Haveli and Daman and DiuDelhiJammu and KashmirLadakhLakshadweepPuducherry
Key project locations: Mumbai, Navi Mumbai, Thane, Pune, Nagpur, Nashik, Ahmedabad, Surat, Vadodara, Bengaluru, Hyderabad, Chennai, Visakhapatnam, Kochi, Delhi NCR, Noida, Gurugram, Jaipur, Indore, Bhopal, Raipur, Kolkata and project locations nationwide.
Smoke Curtain System FAQs
What is a smoke curtain system?
It is a fixed or deployable barrier used to channel, contain or limit smoke movement within an engineered smoke-control system.
What is the difference between a smoke curtain and a fire curtain?
A smoke curtain is classified for smoke-control duty; a fire curtain requires separate tested fire-resistance performance and approval.
How does an automatic smoke curtain operate?
It normally retracts into a headbox and deploys to a designed position after an approved alarm or control signal.
Where are smoke curtains used?
Applications include atria, malls, airports, stations, warehouses, industrial buildings and selected openings requiring smoke control.
Can a smoke curtain protect an escape route?
Only as part of an approved strategy coordinated with egress, exhaust, make-up air, detection, controls and fire-service access.
How are smoke curtains maintained?
Inspect condition and obstructions, test full deployment, controls, power-failure response, alarm interfaces, reset and records.
Do you provide smoke curtain systems across India?
Yes. Reliance Fire Protection Systems supports enquiries from Mumbai and Pune across India, subject to project requirements.
Related Smoke and Fire Protection Services
Request a Smoke Curtain System Proposal
Share the smoke-control report, architectural and reflected-ceiling drawings, curtain dimensions and drop levels, exhaust and make-up air details, egress strategy, structural supports, control sequence, required classification and project location.
Call +91 96999 90424 | sales@relifire.com | Contact Reliance Fire Protection Systems