E 30 – EI 120
Fire-Resistant Glass
Integrity and insulating fire glass supplied and fitted into tested frames.
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Leicestershire · LE16
Insulated Fire Glass (EI) in Market Harborough
Insulated fire glass in Market Harborough 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.
EI 30 – EI 120LE16England
Quote for Market Harborough
Tell us what you need. We reply with next steps and a guide price.
What our insulated fire glass service includes in Market Harborough
EI glass is the choice where people need to pass close to the glass during a fire, where combustible materials sit near it, or where building guidance would otherwise restrict glazing. We supply and fit EI 30 to EI 120 glass in tested frames, internally and externally.
- Matched glazing systems and seals
- EI 30, EI 60, EI 90 and EI 120 glass
- Handling and installation of heavy panes
- Impact-classified insulating glass
Key checks for Market Harborough projects
How it works
When heated, the interlayers turn opaque and expand, forming an insulating shield. After a fire the glass will need replacing.
Optical quality
Modern EI glass is clear in normal use, with high light transmission at lower ratings.
The temperature rule
EI testing limits the average temperature rise on the unexposed face to 140°C and any single point to 180°C, which is why people can pass it.
Which rules apply to insulated fire glass in Market Harborough?
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.
In higher-risk buildings, broadly 18 metres or seven storeys with two or more homes, the Building Safety Regulator is the building control authority. England is also phasing out BS 476 references from Approved Document B, with the remaining fire-resistance references due to go in September 2029.
Areas we cover around Market Harborough
Coverage around Market Harborough includes the LE16 districts and nearby Corby, Kettering, Wigston. Market Harborough lies roughly 23 km from Leicester, within our Leicestershire coverage.
What every Market Harborough quote includes
Fixed written quotes
After survey you get a fixed written quote for the agreed scope, so Market Harborough budgets are not open-ended.
Rated systems, not just rated glass
Every quote in Market Harborough identifies the tested system: frame, glass, beads, seals and fixings, within its pane-size limits.
England rules applied
Designs follow the building and fire safety rules that apply in England, not a one-size-fits-all approach.
Sectors we cover in Market Harborough
Insulated fire glass applies to many building types in Market Harborough, including retail and leisure units and care homes.
Questions about insulated fire glass in Market Harborough
Does EI glass need replacing after a fire?
Yes. Once the interlayers have reacted, the glass has done its job and must be replaced.
Is EI glass clear?
Yes, in normal conditions. It turns opaque only when heated in a fire.
Which rules apply to fire-rated glazing in Market Harborough?
Building work in Market Harborough follows the Building Regulations 2010 and Approved Document B, and occupied buildings are covered by the Regulatory Reform (Fire Safety) Order 2005.
Do you work on occupied buildings in Market Harborough?
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 Market Harborough
E · EW
Integrity Fire Glass (E & EW)
E and EW glass where flames and hot gases must be stopped.
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E 30 – EI 60
Stair, Lobby & Corridor Glazing
Glazed screens and doors on protected stairs, lobbies and corridors.
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E 30 – EI 60
Frameless Fire-Rated Glazing
Butt-jointed fire glass walls with minimal frames.
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.
Site visit
A survey in Market Harborough confirms sizes, access, existing evidence and fixing conditions.
Written quote
You receive a written quote naming the tested system and classification.
Fit and record
We install, photograph seals and fixings before closing up, and hand over the schedule.