Systems
Back
Systems
Overview

What Is Durasteel

System Features

Videos

Board Composition

System Technical Details

Durasteel Certifications, Tests & Approvals

Interactive System Diagrams

Walls & Barriers

Fire Barriers

Blast Walls & Barriers

4 Hour Fire Walls

Cable Tunnel Cross Barriers

Transformer Barriers

Demountable Barriers

Folding Fire Barriers

Ceilings

Fire Rated Ceilings

Plenum Ceilings & Ceiling Bulkheads

Ductwork & Ventilation

4 Hour Fire Rated Ductwork

Blast Rated Ductwork & Baffles

Cables and Services

Cable Enclosures & Encasements

Cable Turning Boxes

UKPN Specification Puddle Flanges

UKPN Specification 125mm/150mm Steel Tubes

Doors, Shutters & Access Hatches

Fire Doors

Access Panels

Access Hatches

Blast Doors

Vaults, Rooms & Enclosures

Tank Enclosures

Fireproof Vaults

Data Rooms

Valve Enclosures
Find The Right Solution Fast Start Your Project
What Is Durasteel

System Features

Videos

Board Composition

System Technical Details

Durasteel Certifications, Tests & Approvals

Interactive System Diagrams
Fire Barriers

Blast Walls & Barriers

4 Hour Fire Walls

Cable Tunnel Cross Barriers

Transformer Barriers

Demountable Barriers

Folding Fire Barriers
Fire Rated Ceilings

Plenum Ceilings & Ceiling Bulkheads
4 Hour Fire Rated Ductwork

Blast Rated Ductwork & Baffles
Cable Enclosures & Encasements

Cable Turning Boxes

UKPN Specification Puddle Flanges

UKPN Specification 125mm/150mm Steel Tubes
Fire Doors

Access Panels

Access Hatches

Blast Doors
Tank Enclosures

Fireproof Vaults

Data Rooms

Valve Enclosures
Expertise
Back
Expertise
Energy

Substation Fire & Blast Protection

Battery Storage Facilities

Power Station Fire Protection

Wind Farm Fire Protection

High Voltage Cable Protection

Transportation

Metro and Rail Fire Protection

Aircraft Hangar Fire Protection

Equipment Delivery Hatches

Infrastructure

Oil and Gas Fire & Blast Protection

Anti-Terrorist Blast Protection

Tunnel Fire Protection

Cable Tunnel Fire Compartmentation

Heat Shields

Equipment Enclosures

Construction

Building Fire Compartmentation

Ventilation Systems
Start Your Project
Substation Fire & Blast Protection

Battery Storage Facilities

Power Station Fire Protection

Wind Farm Fire Protection

High Voltage Cable Protection
Metro and Rail Fire Protection

Aircraft Hangar Fire Protection

Equipment Delivery Hatches
Oil and Gas Fire & Blast Protection

Anti-Terrorist Blast Protection

Tunnel Fire Protection

Cable Tunnel Fire Compartmentation

Heat Shields

Equipment Enclosures
Building Fire Compartmentation

Ventilation Systems
Insights
Back
Insights
Insight Articles

Integrity, Stability and Insulation in Passive Fire Protection

Triangle of Fire & Active vs Passive Fire Protection

What BS 9991 changes mean for building fire safety

Does the rise in electric vehicle fires pose a risk to buildings?

Does AI pose a threat to fire safety?

The crucial role of fire protection in metro stations

View all Insight Articles

Frequently Asked Questions
View all Frequently Asked Questions

A to Z of Terms
View all A to Z of Terms
Start Your Project
Integrity, Stability and Insulation in Passive Fire Protection

Triangle of Fire & Active vs Passive Fire Protection

What BS 9991 changes mean for building fire safety

Does the rise in electric vehicle fires pose a risk to buildings?

Does AI pose a threat to fire safety?

The crucial role of fire protection in metro stations

View all Insight Articles
Projects
Back
Projects
Case Studies

Featured

Durasteel transformer enclosures shield SSE Stronelairg wind farm

Featured

Durasteel protects world's largest underground oil storage facility

View all Case Studies

Testimonials
View all Testimonials

Clients We Work With
View all Clients We Work With
Start Your Project
Featured

Durasteel transformer enclosures shield SSE Stronelairg wind farm

Featured

Durasteel protects world's largest underground oil storage facility

View all Case Studies
Contact
Back
Contact
Get In Touch

Send An Enquiry

Request A Callback

Get A Digital Brochure

Office Contact Details
Start Your Project
Send An Enquiry

Request A Callback

Get A Digital Brochure

Office Contact Details
Start Your Project

Search for:

Thank You

Home
Contact
Thanks

We have received your request, and will be in touch with your chosen brochure downloads soon.

Our Divisions

The Invicta Group
Invicta Mobile Shelving
Invicta Mezzanine Floors
Invicta Racking

Information

A to Z of Terms
Frequently Asked Questions
Accreditations & Affiliations

About This Site

Privacy Policy
Cookie Statement
Terms Of Use
Free Site Survey Policy
Site Map

Company Policies

Quality Policy
Health and Safety Policy
Health & Safety Policy Statement
Equal Opportunities Statement
Environmental Policy Statement

Copyright © 2026 The Invicta Group | All Rights Reserved

SpecUp - System Specification Wizard

Answer the 5 short questions below to receive your recommended Durasteel system specifications. Hover over the ? icons for a brief explanation.

Step 1 of 5

20%

Type of system required?(Required)

Wall (fixed)

Wall (fixed)

Wall (fixed)Internal wall fixed on all 4 sides to the surrounding structure

Barrier (Freestanding)

Barrier (Freestanding)

Barrier (Freestanding)Freestanding barrier only fixed to the bottom side

Ceiling - Suspended

Ceiling - Suspended

Ceiling - SuspendedCeiling system supported by hanger rods from above

Ceiling - Ventilation Plenum

Ceiling - Ventilation Plenum

Ceiling - Ventilation Plenum1, 2 and 3-sided air-tight ceiling system allowing for passage of air

Duct

Duct

Duct1, 2, 3 and 4-sided ducts allowing for passage of air

Enclosure - Cables/Pipes

Enclosure - Cables/Pipes

Enclosure - Cables/PipesCable and building service enclosures and turning boxes

Door - Hinged

Door - Hinged

Door - HingedSingle and double hinged personnel access doors

Door - Sliding

Door - Sliding

Door - SlidingSliding doors up to 5m x 5m

Access Panel (Bolted)

Access Panel (Bolted)

Access Panel (Bolted)Bolted access panels or maintenance access

Access Panel (Hinged)

Access Panel (Hinged)

Access Panel (Hinged)Hinged access hatches for personnel access or equipment delivery

Fire rating required?(Required)

1 Hour (60 mins)1 Hour (60 mins)60 minutes protection against Cellulosic fire curve

2 Hours (120 mins)2 Hours (120 mins)120 minutes protection against Cellulosic fire curve

4 Hours (240 mins)4 Hours (240 mins)240 minutes protection against Cellulosic fire curve

H0H0120 minutes integrity-only protection against Hydrocarbon fire curve

H60H60120 minutes integrity, 60 minutes insulation protection against Hydrocarbon fire curve

H120H120120 minutes integrity and insulation protection against Hydrocarbon fire curve

Fire integrity-only or integrity and insulation?(Required)

Integrity-only (E)

Integrity-only (E)

Integrity-only (E)Fire compartmentation to stop the flames or hot gases from physically passing from the fire side to the non-fire side through holes, gaps, cracks or any other types of openings for the denoted duration

Integrity & Insulation (EI)

Integrity & Insulation (EI)

Integrity & Insulation (EI)Fire compartmentation to stop the flames or hot gases from physically passing from the fire side to the non-fire side through holes, gaps, cracks or any other types of openings and limit the rise in surface temperature on the non-fire side for the denoted duration

Fire attack risk from one side or both sides of the system?(Required)

One Side

One Side

One SideFire risk is from one side of the system only

Both Sides

Both Sides

Both SidesFire risk is from either/both sides of the system

Blast rating required in addition to fire rating?(Required)

NoNoNo blast rating (fire-only)

Yes - up to 10kN/m²Yes - up to 10kN/m²Low blast rating of up to 10kN/m² (10kPa, 1.45psi) causing moderate damage to houses (windows and doors blown out and severe damage to roofs) and injuries to people from flying glass and debris

Yes - up to 34kN/m²Yes - up to 34kN/m²Moderate blast rating of up to 34kN/m² (34kPa, 5psi) causing most buildings to collapse, universal injuries and widespread fatalities

Yes - over 34kN/m²Yes - over 34kN/m²High blast rating greater than 34kN/m² (34kPa, 5psi) causing reinforced concrete buildings to be severely damaged or demolished and most people are killed

For your information

You are being redirected to one of our divisional subsites which contains more detailed information on the required division. To navigate back to the main Invicta Group site, please click the link found in the footer at the bottom of the page.