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Greater London · EC1A

London insulated fire glass

Looking for insulated fire glass in London? We survey, supply and install tested fire-rated glazing for schools and colleges, public buildings and other buildings in and around London, including the EC1A postcode district.

EI 30 – EI 120EC1AEngland

Quote for London

Tell us what you need. We reply with next steps and a guide price.

What's involved with insulated fire glass in London

Insulated fire glass, classified EI, is glazing that maintains integrity and keeps the temperature rise on the non-fire side within set limits for the rated time. It is usually made of several glass panes bonded with interlayers that foam into an insulating barrier when heated, or with a clear gel that absorbs heat.

  • Handling and installation of heavy panes
  • Insulating glass in sealed double-glazed units
  • EI 30, EI 60, EI 90 and EI 120 glass
  • Impact-classified insulating glass

Key checks for London projects

Exterior positions

Some EI products are internal only. External use needs a product and edge seal approved for UV and weather.

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.

How it works

When heated, the interlayers turn opaque and expand, forming an insulating shield. After a fire the glass will need replacing.

Where we work around London

Survey visits can be arranged anywhere in London, including the EC1A, EC1M, EC1N, EC1R, EC3, EC4A districts, and in nearby Westminster, Pimlico, Islington. London is the largest town in our Greater London coverage.

What you can expect in London

Rated systems, not just rated glass

Every quote in London identifies the tested system: frame, glass, beads, seals and fixings, within its pane-size limits.

Work around occupied buildings

We can phase work in London around residents, staff or pupils, with out-of-hours options.

Evidence you can file

You receive the classification references, glass marks and installation photographs for your fire safety records.

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.

London building types

Sector guides below cover schools and colleges, public buildings and other buildings in London.

FAQs for London

Why is insulated fire glass so much more expensive?

It is a multi-layer product with specialist interlayers, and the frame and installation must suit its weight.

Can EI glass be used outside?

Only products approved for external use, usually in a sealed unit with UV protection.

Do you carry out insulated fire glass in London?

Yes. We survey and install in London and across Greater London, including the EC1A district and nearby Westminster.

Do you work on occupied buildings in London?

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 London

E 30 – EI 120

Fire-Resistant Glass

Integrity and insulating fire glass supplied and fitted into tested frames.

Learn more →
Process

From enquiry to handover in London

Start with the brief

Tell us the rating required, sizes and building type, or ask us to find out.

Site visit

A survey in London confirms sizes, access, existing evidence and fixing conditions.

Written quote

You receive a written quote naming the tested system and classification.

Install and hand over

Installation to the system details, then a handover pack with photographs and evidence.

Need fire-rated glazing checked, replaced or installed?

Send sizes, photos of any glass marks or your inspection report and we will come back with the right tested system.

Call freeGet a quote