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Fire-Rated Commercial Hollow Metal Doors

Fire-Rated Commercial Hollow Metal Doors

Fire-Rated steel doors play a vital role in keeping people safe and minimizing property damage during a fire. Labeled fire doors control the spread of fire and smoke for up to 3 hours. Metal fire doors are an economical alternative to wood fire doors, when more than a 20 minute rating is...

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Fire-Rated steel doors play a vital role in keeping people safe and minimizing property damage during a fire. Labeled fire doors control the spread of fire and smoke for up to 3 hours. Metal fire doors are an economical alternative to wood fire doors, when more than a 20 minute rating is required. Steel is the sole door material to deliver a 3 hour fire-rating.

GH is an authorized WHI fire-labeled shop (Warnock Hersey / Intertek), enabling us to modify, re-certify and label fire-rated doors and frames. And, we are certified by UL to cut, re-certify and label fire-rated glazing materials. Our facility undergoes routine inspections to verify that modifications are done in compliance with the requirements of the Intertek and UL specification listings. All material is tested in accordance with NFPA codes and standards.

· 20, 45, 60, 90 Minute or 3 Hour Label

· Heavy Duty 18 Gauge Steel Doors

· Rigid Honeycomb Core or Polystyrene Core

· Flush Door on Welded Masonry Frame – Unfinished (Primed Gray)

Fire door openings are classified by their locations in a building. Location determines the length of exposure protection required, based on the potential fire hazard of that particular area. The opening classifications are shown below. Fire-protection ratings tested and classified by: Warnock Hersey-WHI or Underwriters Laboratories- UL. The local Authority Having Jurisdiction must be the final authority on fire door assembly issues.

DOORS SPECIFICATIONS

§ Heavy Duty, SDI Level 2 - 18 Gauge Steel Face Sheets

§ Rigid Honeycomb Core or Polystyrene Core

§ Standard Widths up to 4'0", Height to 8'0"

§ Double Door Configurations Available

§ 1-3/4" Thickness Only

§ Non-Handed Design or Beveled and Handed

§ Full Height, Epoxy Filled Mechanical Interlock Edges

§ Heavy Gauge Door Closer Reinforcement

§ Reinforcement Clips and/or Channels for Glass Cutouts

§ Factory Applied Baked-On Rust Inhibiting Primer (No Special Color Options) - Not intended to be a finish coat. It is recommended that finish paint (top coat) be applied after installation

§ Standard Lock Preparations Include 161 (cylindrical lock), 86 Edge (mortise lock), Deadbolt, RPD (panic bar reinforced)

§ WHI / ITS up to 3 hour, Positive Pressure and “S” Smoke included

§ Certified for Compliance with NFPA 80, NFPA 252, UL 10B, UL 10C

The wall, door frame, door and hardware must all be fire rated. The door must be self closing and positive latching (push/pull plates cannot be used on a fire rated door) and UL approved hinges must be used.

1. Labeled Door Frame
2. Labeled Door
3. Approved Closing Device (Door Closer or Spring Hinges; Spring Hinges for Doors up to 3’0″ x 7’0″ only)
4. Approved Latching Device (Lockset or Exit Device)
5. Steel Ball Bearing Hinges (or UL Labeled Continuous Hinge)

 

 

 

 


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