Industrial Steel
Fire Rated Doors
Heavy-duty industrial steel fire rated doorsets supplied, expertly fitted, and maintained across Oxfordshire and surrounding areas. Certified to provide up to 240 minutes (4 hours) of extreme fire integrity, combining robust security with maximum thermal and acoustic performance for warehouses, plant rooms, and commercial bays.
Key Specifications
Up to 4-Hour Fire Protection
Certified fire integrity ratings from 60 to 240 minutes (BS EN 1634-1 / BS 476) for extreme hazard zones.
Heavy-Duty Galvanised Steel
Zinc-coated steel leaf construction with dog-bolt hinges for maximum strength and corrosion resistance.
Multi-Point Security Locking
Integrated multi-point sash locks, panic hardware, or electronic access control options.
Custom RAL Powder Coating
Durable factory-applied polyester powder coating available in any standard RAL or BS color.
Certified FD30 & FD60 Fire Containment
Our commercial timber fire doorsets are precision-manufactured to provide reliable compartmentalisation during a fire event, giving occupants vital time to evacuate safely.
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Certified Fire Ratings: Available in FD30 (30-minute) and FD60 (60-minute) fire resistance specifications.
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Cold-Smoke Control: Fitted with combined intumescent fire and acoustic/smoke seals to block toxic fumes and smoke migration.
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Solid-Core Durability: High-density timber core leaves engineered to withstand heavy daily commercial traffic without warping or degrading.
Maximum Physical Security & Weather Resistance
Beyond certified fire safety, steel doors double as robust security barriers against forced entry, weather, and daily operational wear.
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Anti-Jemmy Design: Rebated door leaf profiles and heavy-duty steel dog bolts lock the door leaf securely into the frame structure.
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Weather & Draught Seals: Full-perimeter perimeter rubber weather strips prevent water ingress, wind draughts, and cold smoke.
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Vandal-Resistant Hardware: Fitted with heavy-duty stainless steel lever handles, escutcheons, and door closers built for harsh industrial environments.
Fire-Rated Glazing, Louvres & Access Control
Tailor your industrial steel doorsets with specialized vision panels, ventilation louvres, or electronic access systems.
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Fire-Rated Wire Glass: Rectangular or square vision panels with fire-resistant pyro-glazing for internal corridor visibility.
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Intumescent Air Transfer Grills: Optional fire-rated louvre panels designed to allow airflow during normal use while sealing solid under heat.
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Access Control Integration: Compatible with magnetic locks, electronic strikes, keypad access, and building fire alarm systems.
Expert Survey, Fitting &
Compliance Inspections
Behind Closed Doors Ltd provides end-to-end site measurement, structural fitting, and compliance sign-off across Oxfordshire and surrounding areas.
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Free On-Site Survey: Precise aperture checking, wall substrate evaluation, and headroom/threshold clearance checks.
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Qualified Fitting Engineers: Professional installation ensuring accurate frame anchoring, door squareness, and intumescent packing.
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Compliance Documentation: Supplied with complete UKCA/CE markings and Declarations of Performance (DoP) to satisfy insurance regulations.
