Class B l Internal Fire Door l MDF 813 x 2032 | 120 Min SANS 1253 | Pre-Hung
R4,660.95 Incl. VAT
Buy Class B Internal MDF Fire Door 813×2032 — 120-minute (2-hour) SANS 1253 certified fire door with fire-retardant core and 3mm MDF skins. Pre-hung in a heavy-duty steel frame for fast, compliant installation.
Ideal for stairwells, elevator shafts, hospitals, schools and high-risk commercial buildings where regulations demand 2-hour fire protection. Fully tagged, certified and ready to paint.
✅ 120 min stability • Pre-hung • Nationwide delivery from Gauteng • Instant quote available
Class B Internal MDF Fire Door 813x2032 | 120 Minute (2 Hour) SANS 1253 Certified
Buy Class B internal MDF fire door 813x2032 — premium 120-minute fire-rated door with dense fire-retardant core and 3mm MDF skin. Pre-hung in heavy-duty steel frame for fast, compliant installation across Gauteng and South Africa.
Ideal for stairwells, elevator shafts, high-risk commercial buildings, hospitals, schools and multi-storey escape routes where SANS 10400-T demands 2-hour protection. Fully tagged, SATAS/SANS 1253 compliant and ready to paint.
Class B vs Class A Fire Doors – Quick Comparison
| Feature | Class A (60 min) | Class B (120 min) |
|---|---|---|
| Stability | 60 minutes | 120 minutes |
| Integrity | 30 minutes | 60 minutes |
| Insulation | 30 minutes | 60 minutes |
| Best For | Offices & low-risk areas | Stairwells, shafts, high-risk zones |
Product Specifications – Class B Internal MDF Fire Door 813x2032
- Fire Rating: Class B – 120 minutes stability, 60 min integrity & insulation (SANS 1253:2016)
- Door Size: 813mm (W) × 2032mm (H) × ~44mm thick
- Material: Fire-retardant core with 3mm MDF / Masonite skins – ready to paint
- Frame: 1.6mm mild steel, double rebated, red oxide primer, suitable for 230mm walls
- Hinges: 3–4 stainless steel hinges per leaf
- Pre-Hung: Yes – supplied fully assembled for compliance and speed
- Certification: Tagged with unique serial number + certificate supplied
- Custom Options: Other sizes (900×2032, doubles, etc.), viewing panels, powder-coating available
Where Class B 120-Minute Fire Doors Are Mandatory (SANS 10400-T)
- Protected stairwells and escape routes in buildings higher than 2 storeys
- Elevator shafts and service ducts
- High-occupancy commercial, hospital and school corridors
- Areas identified in fire risk assessment requiring 120-minute separation
Why Buy Your Class B Fire Door from Doors Online?
- Gauteng-based factory – fastest delivery to Johannesburg, Pretoria, Cape Town, Durban
- Full traceability & compliance guarantee
- Competitive pricing with nationwide delivery
- Professional installation service available
- 10+ years supplying fire doors to SA builders & developers
Read our complete Fire Rated Doors Guide →
Frequently Asked Questions
What is the difference between Class A and Class B fire doors?
Class B provides double the stability (120 min vs 60 min) and better integrity/insulation – required where regulations demand higher protection.
Can Class B doors be used externally?
No – for external use we recommend our Class D or galvanised options.
Do you supply frames and ironmongery?
Yes – matching Class B steel frames, intumescent seals and certified hardware.
Ready to Order Your Class B Internal MDF Fire Door?
Call/WhatsApp 068 305 4568 or complete the form below for an instant quote. Delivery from Gauteng in 10–15 working days. Nationwide shipping available.
✅ SANS 1253 Certified • Tagged • Pre-Hung • Ready to Install
Also available: All Class B Fire Doors | Class B Double Doors | Professional Installation
Additional information
| SKU | FD-CLB-PD-INT-MDF-813×2032 |
|---|---|
| Fire Rating | Class B 120 min |
| Exposure Class | Interior |
| External Finish | MDF/Masonite |
| Door Application | Commercial Use, Industrial Use |
| Certification | SATAS SANS 1253 |
| Treatment | Unpainted |
| Delivery Time | 10+ Days |
| Dimensions | 2032mm (H) x 813mm (W) |






