Class B 2-Hour Fire Rated Hardboard Door – Pre-Hung Steel Frame | 900 x 2032mm

Class B 2-Hour Fire Rated Hardboard Door

This pre-hung Class B fire door assembly provides 120 minutes, or 2 hours, of certified fire protection for commercial buildings, offices and multi-occupancy developments where fire-safety compliance is essential. Supplied in a matching double-rebated mild steel frame, it provides a precise, tested assembly for the opening.

Key Features

• Class B fire rating with 2-hour fire resistance
• Pre-hung in a double-rebated 1.6mm mild steel frame with stainless steel hinges
• Smooth hardboard door skins, supplied unpainted and suitable for painting
• Two concealed edges for a clean finished appearance
• Steel frame sized for a 230mm wall
• Red oxide primer applied to the steel frame
• Available with a 22mm screed or no-screed finish
• Compatible with conventional drywall fixing
• Custom sizes available on request

Specifications

• Door size: 900 x 2032 x 50mm
• Overall frame size (H x W x D): 2064 x 964 x 230mm
• Fire rating: Class B, 120 minutes (2 hours)
• Frame: 1.6mm mild steel, red oxide primed
• Hinges: Stainless steel
• Finish: Unpainted hardboard skins
• Wall thickness: Suitable for 230mm walls
• Lead time: 14–21 days from order confirmation

Fire Certification and Test Details

This fire door assembly has been independently tested and classified to South African national standards.

• Test authority: FIRELAB cc, Pretoria
• Classification standard: SANS 1253, fire door sets
• Test method: SANS 10177-2, fire resistance tests for building elements
• Classification achieved: SANS 1253 Class B, 120-minute fire door assembly
• Certificate reference: FTC 25/099, valid until December 2030
• Full test report: FTC 20/199, available on request

Verified fire performance:

• Stability (R): 120 minutes
• Integrity (E): 120 minutes
• Insulation (I): 60 minutes

The tested assembly achieved E120, providing 120-minute flame and smoke containment and exceeding the minimum E60 integrity requirement for a Class B door under SANS 1253.

Tested assembly: Single-leaf door with a symmetric MgO (magnesium oxide) composite core and Meranti hardwood edges, mounted in a 25 x 50mm steel frame with three hinges and a door closer. It was tested as an outward-opening fire escape door with a certified 3-point panic push-bar and as an inward-opening exit door with a standard lockset. The Class B certification applies when the installation matches the relevant tested configuration.

The official fire test certificate is available on request for architects, fire consultants, inspectors and insurers. For custom sizes or documentation, email info@doorsdirect.co.za or WhatsApp 087 012 5283.

Typical Applications

Suitable where a 120-minute, 2-hour fire-rated door is required under South African building regulations, including SANS 10400-T.

• Stairwells and lift lobby shafts
• Major fire-break walls in commercial, industrial and public buildings
• High-risk fire-compartment boundaries
• Main escape routes in multi-storey developments
• Areas requiring SANS 1253 Class B compliance

Installation note: The Class B rating is valid only when installed as a complete assembly equivalent to the tested configuration, including the matching steel frame, three hinges, door closer and the applicable certified panic push-bar or approved lockset.

Frequently Asked Questions

What is a Class B fire door?

A Class B fire door provides 120 minutes, or 2 hours, of fire resistance. In South Africa, Class B fire doors are classified to SANS 1253 and tested to SANS 10177-2. This assembly achieved R120/E120/I60: 120 minutes of structural stability and flame integrity, plus 60 minutes of thermal insulation.

What does R120/E120/I60 mean?

These are the three fire-resistance criteria measured during testing. Stability (R) means the door remains structurally intact for 120 minutes. Integrity (E) means flames and hot gases are contained for 120 minutes. Insulation (I) means the unexposed face temperature remains within limits for 60 minutes.

Where are Class B fire doors required?

Class B fire doors are commonly required in stairwells, lift lobbies, corridors and between fire compartments in commercial buildings, hotels, hospitals and multi-storey residential developments. Requirements depend on SANS 10400-T and the project fire strategy.

Does this fire door come pre-hung?

Yes. It is supplied pre-hung in a matching double-rebated mild steel frame with stainless steel hinges, so the door and frame form the tested assembly.

Can this Class B fire door be installed to open inward or outward?

The tested assembly covers an outward-opening fire escape configuration with a certified 3-point panic push-bar and an inward-opening exit configuration with a standard lockset. The installed hardware and configuration must match the relevant tested setup to retain the Class B rating.

Can I order a custom size?

Yes. Custom sizes are available. Email info@doorsdirect.co.za or WhatsApp 087 012 5283 with the opening dimensions and project requirements.

What finish is supplied?

The door has unpainted hardboard skins and a red oxide primed steel frame, ready for the specified paint finish.

Can I get the fire test certificate?

Yes. FIRELAB certificate FTC 25/099, valid until December 2030, and full test report FTC 20/199 are available on request for architects, fire consultants, inspectors and insurers.

Where can I buy a Class B 2-hour fire door in South Africa?

You can order this pre-hung Class B 2-hour fire-rated door from Doors Direct at doorsdirect.co.za, with nationwide delivery across South Africa.

Delivery Information

At Doors Direct, we strive to make the delivery of your quality doors a seamless and convenient experience.

Nationwide Delivery:

Based in Durban, we extend our reach to bring our premium products directly to your doorstep anywhere in South Africa. Our efficient overnight transport ensures that you receive your order promptly.

Cost-Effective Options:

With a diverse range of transport service providers, we have the flexibility to secure competitive quotes, especially for bulk orders. Feel free to contact our office at 031 012 5033 to explore cost-saving options tailored to your needs.

Lead Times and Timely Delivery:

Our commitment to transparency is reflected in the lead times displayed on our website for made-to-order products. Once your order is dispatched, anticipate delivery within 24 – 48 hours, allowing you to enjoy your new doors without unnecessary delays.

Quality Assurance:

Doors Direct takes pride in delivering products that are undamaged and in excellent working order. While we make every effort to maintain the integrity of your purchase, we recognize that, on rare occasions, products may incur damage during shipping.

Damaged Products:

In the unfortunate event that your product arrives damaged, we have a straightforward solution. At our discretion, Doors Direct will either repair or replace damaged items. To facilitate this process, please ensure that the waybill is endorsed with details of the damages. For more details, refer to our comprehensive guarantee policy and terms and conditions at Guarantee Policy and Terms & Conditions.

Contact Us:

Have questions or need assistance? Contact our head office at info@doorsdirect.co.za or 087 012 5286. We are here to ensure your satisfaction at every step of the journey.

Thank you for choosing Doors Direct – Elevating your door-buying experience with quality, efficiency, and reliability.