Design Info & Specs

Standard Smoke Curtain incorporating fiberglass fabric.

DSI-H 3HR Horizontal Smoke Curtain

A solution to design challenges of preventing smoke and fire from spreading through ceiling and atrium voids, stairwells and skylights. The DSI Horizontal Smoke and Fire curtain allows architects to compartmentalize large floor openings and reduce or eliminate mechanical smoke evacuation systems. A solution to design challenges of preventing smoke and fire from spreading through the ceiling and atrium voids, stairwells, and skylights.

The DSI Horizontal Fire Curtain consists of a light gauge steel headbox that houses the roller, fabric, and motor within the casing to create a small compact package that remains virtually invisible. The curtain consists of woven fiberglass wire reinforced fabric. During deployment, the slim steel side guides prevent derailment of the fabric during operation ensuring integrity of the system when faced with negative or positive pressures of a fire.

Features for DSI-H 3HR Horizontal Fire Protective Curtain:

  • Cost effective
  • Creates open space for your building design
  • Can achieve sizes up to 26 feet wide by 33 feet long
  • aves money by reducing or eliminating smoke evacuation systems
  • Code compliant
  • 3 hour fire rated
  • Battery back-up system standard
  • Fail-safe with automatic reset
  • Virtually invisible design
  • Lightweight, requires little to no structural support
  • Multiple mounting options: Above slab mount or under slab mount

Compliant with

UL 10 D: Fire protective Smoke Curtains – 3 hours
ASTM E84: Class A Surface Building Characteristics of Building Materials
UL 10 B: Without Hose Stream Test – 20 minutes
UL 10 C: Without Hose Stream Test – 20 minutes
UL 864: Control Units for Fire Protective Signaling Systems
BS 5234-2: Fabric Impact Test to double severe duty

Pre-test cyclingFire test at 180 min


Headbox mechanics diagram

Door Systems® smoke and fire protective curtain company is a nationwide company and it’s service areas include but not limited to the following cities and surrounding areas:

Albuquerque, Arlington. Atlanta, Austin, Baltimore, Boston, Charlotte, Chicago, Cleveland, Colorado Springs, Columbus, Dallas, Denver, Detroit, El Paso, Ft. Collins, Ft. Lauderdale, Fort Worth, Fresno, Hartford, Houston, Indianapolis, Jacksonville, Kansas City, Las Vegas, Long Beach, Los Angeles, Louisville, Memphis, Mesa, Miami, Milwaukee, Minneapolis, Nashville, Newark, New Orleans, New York City, Oakland, Oklahoma City, Omaha, Orlando, Philadelphia, Phoenix, Pittsburgh, Portland, Raleigh, Richmond, Rochester, Sacramento, Salt Lake City, San Antonio, San Diego, San Francisco, San Jose, Seattle-Tacoma, St. Louis, Tampa, Tucson, Tulsa, Virginia Beach, Washington DC, Wichita

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