  
Class D 120 Minute Fire Door
Class D fire doors are designed for demanding external environments where enhanced fire resistance, durability and weather protection are required. Commonly used in industrial, commercial and security-focused applications, these fire-rated doors help contain the spread of fire while providing a durable solution for high-risk and controlled-access areas.
Doors Online supplies Class D fire doors in galvanised, stainless steel and steel-clad configurations with matching fire-rated frames for specialised external applications across South Africa.
120 MINUTE FIRE RATING
Enhanced fire resistance for demanding external environments.
SABS CERTIFIED
Manufactured to SANS 1253 and SANS 10400-T standards.
QUALITY & AFFORDABLE
High quality fire doors at competitive prices with durable finishes.
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About Class D Fire Doors
Class D fire doors provide enhanced fire resistance and are typically used where fire protection, durability and security are all important. These doors are suited to demanding environments where stronger construction and reliable performance are required.
120 minute fire resistance rating
Suitable for demanding and security-focused applications
Available in external configurations
Ideal for service areas, plant rooms, industrial buildings and controlled access points
Common Applications
Heavy-Duty External Fire Door Options
Class D fire doors are designed primarily for external and heavy-duty applications where enhanced fire resistance, durability and environmental protection are required.
External Fire Door Options:
Galvanised Cladding
Heavy-duty external fire door option with galvanised steel outer skins and weather-resistant edge sealing.
Stainless Steel
Premium stainless steel fire door option offering durability, corrosion resistance and a clean modern appearance for demanding environments.
Fire Door Classification Guide
Class D Fire Doors. Compare all fire door classes below
Need Techinical Info?
Our DoorsOnline team are here to provide you with the best technical support possible. We can answer any questions you have about our products, support service, specification advice, pricing and tendering support, or any technical guidance you may need.
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Fire Doors Manufactured to South African Standards
Doors Online supplies compliant Class D fire doors across South Africa for demanding external, industrial and security-focused applications. Options include galvanised, stainless steel and steel-clad fire door solutions with matching fire-rated frames.
Applications include industrial facilities, plant rooms, service areas, external escape routes and utility buildings.
SANS COMPLIANT
Manufactured to SANS 1253 and SANS 10400-T standards.
Wide Range
MDF, veneer, galvanised & stainless steel fire doors.
VERSATILE APPLICATIONS
Suitable for residential, commercial, industrial and public buildings.
CUSTOM SOLUTIONS
Custom-made and purpose-made fire doors available on request.
Frequently Asked Questions
What are Class A fire doors?
Class A fire rated doors provide 60 min stability, 30 min integrity/insulation – 1 hour fire rated protection.
What’s the difference between Class A and Class E fire doors?
Class A gives 60-min stability (vs 30 min for E) – use A where regs demand higher protection.
Do your Class A doors come with certification?
Yes – test reports & compliance certs available on request (SANS 1253 compliant).
Do you supply fire door frames?
Yes – fire door frames steel, wooden, custom.
Can you deliver to Cape Town, Durban, etc.?
Yes – nationwide from Gauteng.
Still have some questions you would like to discuss?
Give us a call on 068 305 4568 or email us directly at [email protected]