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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Hertfordshire · SG13
Fire-Resistant Glass in Hertford, Hertfordshire
Looking for fire-resistant glass in Hertford? We survey, supply and install tested fire-rated glazing for hotels, schools and colleges and other buildings in and around Hertford, including the SG13 postcode district.
E 30 – EI 120SG13England
Quote for Hertford
Tell us what you need. We reply with next steps and a guide price.
Fire-Resistant Glass in Hertford: what's included
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.
- Intumescent glazing seals, tapes and gaskets to the tested specification
- Impact-classified build-ups for critical locations
- Glazing beads and fixings to the frame manufacturer's details
- Integrity with radiation control (EW) laminated glass
Hertford coverage and nearby towns
We cover Hertford and the surrounding postcode districts, including SG13, SG14. Nearby towns we also serve include Hoddesdon, Welwyn Garden City, Hatfield. Watford, around 27 km from Hertford, is the largest town in the same coverage area.
Fire glass in HoddesdonFire glass in Welwyn Garden CityFire glass in HatfieldFire glass in CheshuntFire glass in Waltham Abbey
Key checks for Hertford projects
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.
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 rules apply to fire-resistant glass in Hertford?
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.
How we work in Hertford
Evidence you can file
You receive the classification references, glass marks and installation photographs for your fire safety records.
Rated systems, not just rated glass
Every quote in Hertford identifies the tested system: frame, glass, beads, seals and fixings, within its pane-size limits.
Honest about unknowns
If an existing frame in a Hertford building has no traceable evidence, we say so and price the options rather than guess.
Building types we cover in Hertford
Sector guides below cover hotels, schools and colleges and other buildings in Hertford.
FAQs for Hertford
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.
What is the difference between E, EW and EI fire glass?
E is integrity only: it stops flames and hot gases passing for the rated time. EW adds a limit on radiated heat through the glass. EI adds insulation, keeping the unexposed face below set temperature rises so people can pass it safely. The number after the letters is the time in minutes.
Do you carry out fire-resistant glass in Hertford?
Yes. We survey and install in Hertford and across Hertfordshire, including the SG13 district and nearby Hoddesdon.
How quickly can you survey in Hertford?
Survey timing in Hertford depends on access, the size of the building and how urgent the defect is. Tell us your deadline when you enquire and we will confirm a date before you commit.
Related
Related services in Hertford
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
What happens next
Share the details
Send the fire strategy extract, inspection report or a few photos of the openings.
Measure and check
We measure each opening in Hertford and check what the existing frames can accept.
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.