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 · AL10
Fire-Resistant Glass in Hatfield, Hertfordshire
Our fire-resistant glass service covers Hatfield and neighbouring areas such as Welwyn Garden City and St Albans, with every job built around a tested system.
E 30 – EI 120AL10England
Quote for Hatfield
Tell us what you need. We reply with next steps and a guide price.
What our fire-resistant glass service includes in Hatfield
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.
- Insulating (EI) intumescent-interlayer and gel-filled glass
- Integrity (E) glass: modified toughened, glass-ceramic and polished wired types
- Intumescent glazing seals, tapes and gaskets to the tested specification
- Impact-classified build-ups for critical locations
Hatfield coverage and nearby towns
Coverage around Hatfield includes the AL10, AL9, AL4, AL7 districts and nearby Welwyn Garden City, St Albans, Potters Bar. Watford, around 17 km from Hatfield, is the largest town in the same coverage area.
Fire glass in Welwyn Garden CityFire glass in St AlbansFire glass in Potters BarFire glass in HertfordFire glass in Harpenden
Before you order fire-resistant glass: what matters
Inside or outside?
Many insulating fire glasses use interlayers that need protecting from UV and moisture, so external positions need a product approved for exterior use, with the right edge seal and glazing system.
Marking and records
Most fire glass is permanently marked with its product and classification. We record the marks, pane sizes and evidence references on handover so whoever is responsible for fire safety can show what is installed.
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.
How we work in Hatfield
Rated systems, not just rated glass
Every quote in Hatfield identifies the tested system: frame, glass, beads, seals and fixings, within its pane-size limits.
Work around occupied buildings
We can phase work in Hatfield 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.
Hatfield building types
Sector guides below cover blocks of flats, schools and colleges and other buildings in Hatfield.
Fire-Resistant Glass: Hatfield questions
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.
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.
Can you price fire-resistant glass in Hatfield 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 Hatfield?
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 Hatfield
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
Start with the brief
Tell us the rating required, sizes and building type, or ask us to find out.
Survey
We visit Hatfield 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.