EI 30 – EI 120
Insulated Fire Glass (EI)
EI 30 to EI 120 glass that blocks heat as well as flames.
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South Yorkshire · S1
Fire-Resistant Glass for Sheffield buildings
When a fire strategy, inspection report or building control comment in Sheffield calls for glazing tested to resist fire, our fire-resistant glass service covers survey, supply and installation.
E 30 – EI 120S1England
Quote for Sheffield
Tell us what you need. We reply with next steps and a guide price.
What's involved with fire-resistant glass in Sheffield
Fire-resistant glass is glazing that has been tested, as part of a complete glazed system, to hold back fire for a set time. It is classified by what it stops: E (integrity) keeps flames and hot gases on the fire side, EW also limits the heat radiated through the glass, and EI (integrity and insulation) also limits the temperature rise on the protected side, so people can pass it more safely.
- Glazing beads and fixings to the frame manufacturer's details
- Integrity with radiation control (EW) laminated glass
- Integrity (E) glass: modified toughened, glass-ceramic and polished wired types
- Impact-classified build-ups for critical locations
Before you order fire-resistant glass: what matters
Weight and handling
Insulating fire glass gets thicker and heavier as the rating rises. Large EI 60 and EI 120 panes often need lifting equipment and a frame designed for the load, which we plan before the delivery date.
Impact safety still applies
Glass in doors, side panels and low-level positions has to meet impact safety rules as well as the fire rating. Most modern fire glass carries an impact classification; old wired glass usually does not.
Which classification do you actually need?
The fire strategy or building control drawings set the rating for each element. Integrity-only glass is cheaper and thinner, but its use on escape routes is restricted; insulating glass carries far fewer restrictions because people can pass it safely during a fire.
Fire glazing rules in England
England Which rules apply?
Building work in England is covered by the Building Regulations 2010, with fire safety guidance in Approved Document B and impact safety guidance for glazing in Approved Document K.
Once a building is in use, the Regulatory Reform (Fire Safety) Order 2005 requires the responsible person to maintain fire safety measures, including fire-resisting glazing. The Fire Safety (England) Regulations 2022 add duties for multi-occupied residential buildings, including fire door checks in buildings over 11 metres.
Where we work around Sheffield
Coverage around Sheffield includes the S1, S2, S3, S4, S7, S11 districts and nearby Rotherham, Dronfield, Chapeltown. Sheffield is the main town we cover in South Yorkshire.
Fire glass in RotherhamFire glass in DronfieldFire glass in ChapeltownFire glass in StaveleyFire glass in Chesterfield
What every Sheffield quote includes
Work around occupied buildings
We can phase work in Sheffield around residents, staff or pupils, with out-of-hours options.
England rules applied
Designs follow the building and fire safety rules that apply in England, not a one-size-fits-all approach.
Rated systems, not just rated glass
Every quote in Sheffield identifies the tested system: frame, glass, beads, seals and fixings, within its pane-size limits.
Sectors we cover in Sheffield
Sector guides below cover healthcare buildings, public buildings and other buildings in Sheffield.
Fire-Resistant Glass: Sheffield questions
Do you supply fire glass only?
Our service is supply and installation, because the rating depends on how the glass is fitted. For trade buyers we can quote supply of cut-to-size panes with the matching glazing materials on request.
Is toughened glass fire-resistant?
Ordinary toughened safety glass is not. It can shatter early in a fire. Fire-resistant integrity glass is specially processed or formulated and only gains a rating when fitted in a tested frame and glazing system.
Do you work on occupied buildings in Sheffield?
Yes. We plan phasing, out-of-hours work and temporary protection so the building can stay in use where the fire strategy allows.
Which rules apply to fire-rated glazing in Sheffield?
Building work in Sheffield follows the Building Regulations 2010 and Approved Document B, and occupied buildings are covered by the Regulatory Reform (Fire Safety) Order 2005.
Related
Related services in Sheffield
E · EW
Integrity Fire Glass (E & EW)
E and EW glass where flames and hot gases must be stopped.
Learn more →
like-for-like
Broken Fire Glass Replacement
Cracked or broken fire glass replaced to the original specification.
Learn more →
E 30 – EI 120
Fire-Rated Glazed Screens
Internal glazed screens that keep compartments and corridors protected.
Learn more →Process
How a Sheffield job runs
Start with the brief
Tell us the rating required, sizes and building type, or ask us to find out.
Survey
We visit Sheffield to measure, record existing marks and check the frames and substrate.
Quote and evidence
Your quote lists each item with its classification and the evidence it relies on.
Install and hand over
Installation to the system details, then a handover pack with photographs and evidence.