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Technical Knowledge Base
Q
What is the main difference between UL 10C and EN 1634 steel fire door standards?
A
Testing Method: UL 10C requires mandatory hose stream impact testing; EN 1634 tests both fire integrity (E) and thermal insulation (EI) parameters.
Fire Ratings: UL ratings range from 20 to 180 minutes (3 hours); EN ratings are classified as 30, 60, 90, or 120 minutes.
Regional Usage: Choose UL 10C for Saudi/GCC projects following NFPA guidelines; select EN 1634 for European and British-standard-aligned project specifications.
Q
How long can commercial steel fire doors withstand direct high temperatures?
A
Q
What core materials are used inside custom steel fire doors and how do they compare?
A
Honeycomb Paper Core: Lightweight and cost-effective; ideal for standard interior commercial doors requiring structural rigidity.
Mineral Wool / Rock Wool Core: Excellent thermal insulation and soundproofing; recommended for hospital cleanrooms, industrial plants, and 90 to 180-minute fire ratings.
Polyurethane (PU) Core: High thermal insulation (R-value) and weather resistance; best suited for exterior pedestrian steel doors facing extreme weather conditions.
Q
What thickness of steel sheet is required for commercial heavy-duty fire doors?
A
Standard Commercial Use (18 Gauge / 1.0–1.2 mm): Suitable for standard office doors and interior hotel entry doors.
Heavy-Duty Industrial Use (16 Gauge / 1.5 mm): Recommended for hospital emergency exits, factory workshops, and cleanrooms.
Extra Heavy-Duty Security (14 Gauge / 2.0 mm): Used for industrial power rooms, high-security facilities, and large customized doorsets.
Q
Can steel fire doors also provide soundproofing and acoustic insulation?
A
Standard Fire Doors: Typically provide STC 25–30 dB with honeycomb cores.
Acoustic Fire Doors: Achieve STC 35–45 dB using dense rock wool, sound-dampening door sweeps, and heavy-duty frame seals.
Key Applications: Ideal for hospital ICUs, hotel guest rooms, recording studios, and industrial generator rooms requiring both fire safety and acoustic privacy.
Q
What type of hardware is required for certified commercial fire door assemblies?
A
Panic Exit Hardware: Mandatory for emergency exit doors in high-occupancy commercial and industrial buildings.
Automatic Door Closers: Required to ensure the fire door self-closes and self-latches during a fire event.
Intumescent Seals: Expand under high heat to seal the gap between the door leaf and frame, preventing smoke and toxic gas penetration.
Q
How are steel fire doors packaged to prevent damage during sea freight export?
A
Q
What information is needed to get an accurate bulk quotation for custom steel fire doors?
A
Q
What makes steel medical doors essential for hospital operating rooms and cleanrooms?
A
Hermetic Air Tightness: Prevents airborne contamination and maintains differential pressure in operating theaters.
Antibacterial Finish: Electrostatic powder coating inhibits bacterial growth and withstands frequent chemical disinfection.
Flush Design: Seamless surface with flush vision panels prevents dust accumulation and simplifies daily sterilization.
Q
What is the difference between hermetic sliding doors and swing medical doors in hospitals?
A
Hermetic Sliding Doors: Best for Operating Theaters (OT) and ICUs; automated hands-free foot/sensor switches reduce cross-contamination.
Swing Medical Doors: Ideal for patient rooms, consultation offices, and hospital corridors; available in single or double leaf configurations.
Impact Protection: Both types are equipped with stainless steel kickplates or TPU bumper strips to absorb stretcher impacts.
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