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Fire Shaft Doors

Fire Shaft Doors assist in providing admission to a space that needs some degree of protected entry. Fire Shaft Doorsare employed in various applications, including plaster, drywall, floor hatches, fire-rated valve boxes, and security entrance doors. Shaft doors also include entrances for more enormous structures like floor hatches, hatches and walk via access doors. Duct access doors are created to deliver convenient, economic admission to duct elements.There are multiple heat resistant techniques used to provide fire safety in facilities like the emergency exit doors and fire escapes doors used to save electrical and mechanical structures and control dangers.

The Fire Shaft Doors provide the possibility to save your electrical and mechanical facilities in structures safely and with aesthetics. Its rigid outer frame and portable inner frame are produced of galvanized materials unsusceptible to crumbling and buckling. At the time of a possible fire, while the building shafts generate a chimney effect and push the fire to rush to the upper zones, the usage of the installation shaft doors controls the fires that happen in the premises from getting to the buildings and the fires that may appear in the structure shafts to the common spaces.

In complement to all its advantages, the fire-resistant shaft door holds fire spreading for a minimum of 90 minutes and lets people escape to secure areas. Smoke and heat are the two essential elements that deteriorate in a fire, and the fire-resistant shaft door does not permit exposure to these components.

fir shaft doors

Why Choose our Doors

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Robust

Our doors are robuts in nature, very safe & secure

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Fire-Resistant

Our fire resistant doors can withstand > 2 hrs

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Weather-Proof

High quality of steel lasts long and endures every weather condition

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Termite-Resistant

Our doors are made of steel which is naturally resistant to termite

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Superior Quality

We are always committed to deliver superior products

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Various Range

Wide array of styles that enhances every modern stylish door

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Maintenance Free

Our doors are 3 times more resistant to warpage than any doors*

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Longevity

Our cutting-edge products are robust in nature and long lasting and ensure ultimate security

Features and Benefits of using our doors

Trio India specialized Fire Doors are designed to compartmentalize and contain the spread of fire meeting the most stringent requirements of life safety in commercial and industrial establishments. Tested and certified to comply with highest Indian [ BS 476(Part-20 & 22) 1987 & IS: 3614, (Part-2) 1992 ] Standards they are available with fire rating for 60, 90 and 120 minutes. These doors not only complement the existing passive fire-fighting systems but also ensure optimal personal safety.

  • Fully flush surfaces with wall system
  • A large variety of swing out constuctional doors
  • Door hardware by world market leading manufacturers
  • Custom dimensions available
  • Heavy-duty structure for high durability
  • Type: Shaft Doors , Emergency Doors, Hollow Metal Doors
fire rated doors

What Information Is on the Label of a Fire-Rated Door?

After identifying a fire-rated door, it is important to understand its label. Because this label communicates the exact specifications of a door’s fire rating (including what applications it is suitable for), it can act as a guide for repairs.

Traditional fire-rated door labels

Fire-rated door labels are attached to both the door panel and the door frame, usually on the hinge side of both. The information found on the label of a fire door includes: the testing agency, the door type and the amount of time (in hours or minutes) the door is expected to provide protection. Older doors may have a letter rating that corresponds to a time-based rating. An Authority Having Jurisdiction (AHJ) can help translate the letter rating system to minutes.

Fire-rated door labels also indicate the temperature-rise rating, which represents the expected surface temperature on the unexposed side of the door after 30 minutes of fire exposure. Finally, these doors can also include an S-label if a door is smoke rated.

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This “S,” often located in the center and near the bottom of the fire rating label, indicates the door has passed UL 1784: Standard for Air Leakage Tests of Door Assemblies and Other Opening Protectives.

The National Fire Protection Agency (NFPA) details the information on fire-rated door requirements in the NFPA 80 standards. To further clarify this information, an AHJ can help decode fire-rated labels.

Fire-rated glass labels

In addition to listing the independent testing agency, the product name and its basic characteristics, fire-rated glass labels also indicate which fire tests the glass has passed. These permanent labels communicate fire ratings with the following marks.

  • “W” for Walls: indicates fire-resistance-rated glazing meets Wall assembly criteria (ASTM E119 or UL 263)
  • “OH” for Openings: indicates fire-rated glass meets fire window assembly criteria, including the hose stream test (NFPA 252 or UL9)
  • “D” for Doors: indicates fire-rated glass meets fire door assembly criteria (NFPA 252, UL 10B or UL 10C)
  • “H” indicates glazing meets the fire door assembly hose stream test—requirements for this test are location dependent, so confirm with an AHJ
  • “T” indicates glazing meets 450-degree Fahrenheit temperature rise criteria for 30 minutes

The last component of the marking code is a two- or three-digit number. This number shows the fire rating of the fire resistance or fire protection glazing assembly in minutes (e.g., 45, 60, 90, 120). For example , if a fire-rated glass label reads “D-H-45,” one could determine the product is suitable for use within door assemblies, has passed the required hose stream test, does not meet temperature rise door criteria, and is fire-rated for 45 minutes. To further clarify fire-rated glass labels, TGP created this interactive tool that isolates and explains each mark.

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Client Reviews

“I’ve decided to go entirely off the grid but had no actual clue where to start. These guys went above and beyond with their support, working out all of the intricacies of the project with me. Now, I can confidently say that I’ve got exactly what I needed. You’ve done a wonderful job!”

Julia Mann, Albany, NY

“Everyone, from the first phone call to the last, has been a pleasure to deal with. All of our requests were taken into account and incorporated into the project. The installation process was astonishingly smooth. I would recommend you to all my friends. Thank you so much.”

Jenna Owens, Boston, MA

“Thank you so much! Every single person we’ve dealt with during this project has been a consummate professional. I was very impressed with the care taken by the installers to do the job right and clean everything up afterwards. You guys are the best that I know of. Thanks!”

Taylor Little, Austin, TX

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