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FIRE-GLAZING
Northamptonshire · NN1

Insulated Fire Glass (EI) in Northampton, Northamptonshire

For Northampton buildings, we supply, replace and check insulated fire glass wherever the fire strategy depends on it, working to the tested system rather than the glass alone.

EI 30 – EI 120NN1England

Quote for Northampton

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

What's involved with insulated fire glass in Northampton

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.

  • Impact-classified insulating glass
  • EI 30, EI 60, EI 90 and EI 120 glass
  • Internal and external-grade build-ups
  • Handling and installation of heavy panes

What to check before ordering insulated fire glass in Northampton

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.

Storage on site

Insulating fire glass should be stored dry, upright and away from direct sun before fitting.

Areas we cover around Northampton

Coverage around Northampton includes the NN1, NN2, NN5, NN3, NN4 districts and nearby Wellingborough, Daventry, Rushden. Northampton is the largest town in our Northamptonshire coverage.

How we work in Northampton

Work around occupied buildings

We can phase work in Northampton 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.

England rules applied

Designs follow the building and fire safety rules that apply in England, not a one-size-fits-all approach.

England regulations that shape the job

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.

Northampton building types

We can survey and quote for public buildings, retail and leisure units and other building types in Northampton.

Insulated Fire Glass (EI): Northampton questions

Can EI glass be used outside?

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

What does EI 60 mean?

The glazing system kept fire on one side (integrity) and limited the temperature rise on the other side (insulation) for at least 60 minutes in a standard fire test.

Can you price insulated fire glass in Northampton 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 Northampton?

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 Northampton

E 30 – EI 120

Fire-Resistant Glass

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

Learn more →
Process

What happens next

Share the details

Send the fire strategy extract, inspection report or a few photos of the openings.

Survey

We visit Northampton to measure, record existing marks and check the frames and substrate.

Written proposal

We set out the system, glass, evidence and programme, with a fixed price.

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.

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