DSI 600 ELEVATOR SMOKE CONTAINMENT SYSTEM®
The smooth controlled descent of the DSI 600 elevator fire rated smoke curtain system works on a gravity fail safe technology that requires no power to close and is fully synchronized with the building’s fire and life safety system.

Learn About Elevator Smoke Curtains
DSI-HS10B HOSE STREAM RATED CURTAIN
The DSI-HS10B Hose Stream Rated Smoke and Fire Curtain incorporates the cutting-edge technology of our UL 10D curtain products but with the advantage of being code compliant in any fire wall rated up to 3 hours.

Learn About Hose Stream Curtains
DSI-HHS10B HOSE STREAM RATED HORIZONTAL FIRE CURTAIN
A solution to design challenges of preventing smoke and fire from spreading through the ceiling and atrium voids, stairwells, and skylights.

Learn About Horizontal Hose Stream Curtains
DSI-FW119 DEPLOYABLE FABRIC FIRE WALL
The DSI Deployable Fabric Fire Wall consists of two of our DSI Hose Stream Rated Smoke and Fire Curtains mounted back-to-back to create a small light weight package above the ceiling that remains virtually invisible until deployed.

Learn About Fabric Fire Wall
SYNTÉGRA™ ELEVATOR SHAFT DOORS
The Syntégra™ elevator smoke door assembly is the most cost effective way to meet code requirements for elevator shaft protection. The Elevator Smoke Door Assembly has been tested in compliance with Smoke and Fire ratings for up to 8′-6″ x 10′-0″ openings.

Learn About Elevator Shaft Doors
DSI-A4HR ACCORDION FIRE PROTECTIVE CURTAIN
The DSI Accordion Fire Curtain Model DSI-A4HR creates a four-hour opening protective fire barrier for a variety of applications without the need for columns or corner post. Applications include Atriums, Stairwells, Escalators, and other custom applications.

Learn About Accordion Fire Curtains
SYNTÉGRA™ ELEVATOR LOBBY DOORS
Syntégra™ Door Systems are available in a variety of configurations including double egress or standard swing pair, pocketed 90 or 180 degrees. The door systems include integrated latch/locking device, semi concealed continuous hinge for all your elevator lobby needs.

Learn About Elevator Lobby Doors
DSI-C1HR AUTOMATIC FIRE PROTECTIVE SMOKE CURTAIN
The assembly comprises a fire rated fiberglass fabric wound around a roller which encases a compact head box that is typically installed above the ceiling with side guides that are buried in the wall. This makes the system virtually invisible until activated.

Learn About Automatic Smoke Curtains
SYNTÉGRA™ AREA SEPARATION DOORS
Our Area Separation Door systems makes it easier to meet regulatory requirements while creating safe, attractive, usable indoor spaces that keep their good looks longer.

Learn About Area Separation Doors

Welcome to Door Systems®

Door Systems is the leader in fire protective smoke curtain and integrated fire doors technology. We are dedicated to providing innovative solutions to your existing building needs as well as assist in specifying and designing your future projects.

Whether you are an architect seeking consultation on a new construction project or a building owner/engineer looking to bring your existing building up to code while reducing maintenance cost, the Door Systems staff is here to assist you.

UL10D Smoke and Fire Curtain Products

The gravity fail-safe DSI Smoke and Fire Protective Curtains have market leading features and the highest technical specifications available, yet offer cost-effective and flexible solutions to fire and smoke control.

View All Smoke Curtain Products

DSI 600 Elevator Smoke Containment System®

A cost effective and architecturally pleasing solution to elevator shaft smoke protection. Meets all code requirements.

See DSI 600 Smoke Curtain

DSI-C3HR Fire Protective Smoke Curtain

DSI-C3HR Fire protective Smoke Curtains are totally gravity fail safe and incorporate the latest in electronic technology.

See DSI-C3HR Fire Protective Curtain

DSI-A4HR Accordion Fire Curtain

Creates a four-hour opening protective fire barrier for a variety of applications without the need for columns or corner post.

See DSI-A4HR Accordion Curtain

UL10B Hose Stream Rated Curtain Products

Hose Stream Rated Smoke and Fire Curtains incorporate the cutting-edge technology of our UL 10D curtain products but with the advantage of being code compliant in any fire wall rated up to 3 hours.

View All Hose Stream Products

DSI-HS10B Hose Stream Rated Smoke and Fire Curtain

With a UL10B 3-hour fire rating, the DSI-HS10B Fire Curtain can be used in fire walls and fire barrier walls as a replacement solution to traditional Coiling Steel Fire doors.

See DSI-HS10B Hose Stream Rated Curtain

DSI-HHS10B-Hose-Steam-Rated-Horizontal-Fire-Curtain

DSI-HHS10B Hose Stream Rated Horizontal Fire Curtain

The DSI-HHS10B Hose Stream Rated Horizontal Fire Curtain allows architects to compartmentalize large floor openings reducing mechanical smoke evacuation systems.

See DSI-HHS10B Horizontal Fire Curtain

DSI-FW119 Deployable Fabric Fire Wall

The DSI Deployable Fire Wall incorporates the cutting-edge technology of our Hose Stream Rated Smoke and Fire Curtain but with the advantage of being tested as a 2-hour fire rated wall assembly.

See DSI-FW119 Deployable Fire Wall

Integrated Door Systems Products

The locally manufactured Syntégra™ Integrated Door System is created to include all working hardware and the door into a single integrated package.

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SYNTÉGRA ™ Integrated Door

Fewer moving parts, lower maintenance costs, unparalleled reliability and longer life. The Syntégra™ Door offers a better way.

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SYNTÉGRA ™ Elevator Shaft Doors

The Syntégra™ elevator smoke door assembly is the most cost effective way to meet code requirements for elevator shaft protection.

See Elevator Shaft Doors

SYNTÉGRA ™ Elevator Lobby Doors

Elevator Lobby Doors are available in a variety of configurations; double egress or standard swing pair, pocketed 90 or 180 degrees.

See Elevator Lobby Doors

DSI offers Service and Maintenance

Maintain the warranty on  DSI Fire/Smoke Curtains
Won-Door Service & Maintenance Certified Won-Door Distributor
Service and maintain all other types/brands of smoke and fire curtains
Service all brands of Integrated  Fire Door Assemblies: Syntegra, Total Door, Rite Door
Inspection test form and inspection label with date tested
Certified IFDIA fire door inspection reports
Service and maintain other types of fire rated life safety opening protectives
Automatic doors including access controls and motor operators AADM Certified
Annual drop test/inspection of all fire doors to keep entire facility up to code
Service and retrofit all swinging fire doors

Service & Maintenance

Architecture Design Assistance

Here at Door Systems®, we take great pride in providing the architectural industry with top notch design services as well as a product that is unmatched in design, function, and durability. We offer all our clients to come by and tour our Placentia, CA showroom and see various Door & DSI Fire protective Smoke Curtain® configurations and applications in action.

Smoke & Fire Curtains Design Assistance Integrated Door Systems Design Assistance