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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Cambridgeshire · CB21
Fire-Resistant Glass — Cambridge and CB21
Fire-resistant glass in Cambridge is usually needed for one of three reasons: new building work, a change to an existing fire-resisting wall, or defects found in an inspection. We handle all three.
E 30 – EI 120CB21England
Quote for Cambridge
Tell us what you need. We reply with next steps and a guide price.
What's involved with fire-resistant glass in Cambridge
We supply and fit fire-resistant glass into new and existing fire-rated frames, matching the glass type, thickness, beads, seals and fixings to the test or assessment evidence for that frame. The glass on its own does not carry a rating; the combination does, so we start every job by identifying the system you have or need.
- Integrity (E) glass: modified toughened, glass-ceramic and polished wired types
- Impact-classified build-ups for critical locations
- Integrity with radiation control (EW) laminated glass
- Insulating (EI) intumescent-interlayer and gel-filled glass
Areas we cover around Cambridge
Whether the building is in central Cambridge or the wider CB21, CB2, CB3, CB1, CB4, CB5 districts, we can survey and quote. We also cover Newmarket, Ely, Huntingdon. Cambridge lies roughly 48 km from Peterborough, within our Cambridgeshire coverage.
Fire glass in NewmarketFire glass in ElyFire glass in HuntingdonFire glass in HaverhillFire glass in St Neots
Before you order fire-resistant glass: what matters
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.
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.
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.
What every Cambridge quote includes
Honest about unknowns
If an existing frame in a Cambridge building has no traceable evidence, we say so and price the options rather than guess.
Fixed written quotes
After survey you get a fixed written quote for the agreed scope, so Cambridge budgets are not open-ended.
Evidence you can file
You receive the classification references, glass marks and installation photographs for your fire safety records.
Building types we cover in Cambridge
We can survey and quote for schools and colleges, retail and leisure units and other building types in Cambridge.
Questions about fire-resistant glass in Cambridge
Can you match glass that is already installed?
Often, yes. We read the marks on the existing panes and check them against the frame evidence. Where the original product is discontinued we look for an alternative covered by the same evidence or a formal assessment.
How thick is fire-resistant glass?
Integrity glass can be similar in thickness to standard glass. Insulating glass is laminated from several layers, so it gets markedly thicker and heavier as the rating increases from EI 30 to EI 120.
Can you price fire-resistant glass in Cambridge from photos?
We can give a guide range from photos and sizes, including a clear photo of any marks on the glass. A fixed price follows a survey.
Do you work on occupied buildings in Cambridge?
Yes. We plan phasing, out-of-hours work and temporary protection so the building can stay in use where the fire strategy allows.
Related
Related services in Cambridge
E · EW
Integrity Fire Glass (E & EW)
E and EW glass where flames and hot gases must be stopped.
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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 Cambridge job runs
Tell us what you have
Send drawings, a fire risk assessment action or photos of the glass marks.
Survey
We visit Cambridge 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.
Complete and document
Work is completed to the manufacturer's details and documented for your records.