Tested fire-rated glazing systemsSurvey, supply and install UK-wideEvidence pack on handover
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FIRE-GLAZING
E 30 to E 120, EW 30 to EW 60

Integrity Fire Glass (E & EW)

Integrity fire glass, classified E, stops flames and hot gases passing for the rated time but does not limit the heat coming through. EW glass adds a cap on the heat radiated through the glass. Both are thinner, lighter and cheaper than fully insulated glass.

E 30E 60EW 30EW 60

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

Close-up of a single clear glass pane in a slim dark steel door frame

What does our integrity fire glass service include?

We supply and fit integrity glass in screens, doors, vision panels and windows where the fire strategy allows it, and upgrade to EW or EI where it does not. Choosing correctly between E, EW and EI is where most of the cost on a project is decided.

  • Modified toughened integrity glass
  • Glass-ceramic and borosilicate integrity glass
  • EW laminated glass with radiation control
  • Polished wired glass where still appropriate
  • Impact-classified integrity options
  • Matched beads and seals

What should you check before ordering?

Where integrity glass fits

Integrity-only glass may be acceptable in some fire-resisting partitions, screens and doors, often at high level, within the limits national guidance sets. Compartment walls normally need insulating (EI) glazing.

Limits on escape routes

Building guidance restricts how much integrity-only glass can be used on protected escape routes and where it can sit. Check the route before choosing E glass.

What EW adds

EW glass limits radiation to 15 kW/m² measured one metre from the glass, reducing the risk of igniting materials or harming people nearby.

Impact safety

Modern integrity glass is usually available with an impact classification, unlike plain wired glass.

Cost advantage

Integrity glass costs a fraction of insulated glass and fits slimmer frames, which is why specifying it correctly matters.

Not insulating

E glass gets hot in a fire. Furniture or stored materials beside it can ignite from radiated heat.

What evidence do you get?

  • E or EW classification to BS EN 13501-2
  • Frame evidence covering the glass
  • Glazing schedule with marks
  • Installer's completion record

Guide prices for integrity fire glass

E 30 integrity glass from £180/m², EW from £280/m², supplied and fitted, excluding VAT. Prices depend on the rating, pane sizes, frame system, access and programme. Use the guide price tool for a range, or see all guide prices.

Frequently asked questions

What is integrity-only fire glass?

Glass that stops flames and hot gases for the rated time but lets heat through. It is classified E.

What is the difference between E and EW glass?

EW glass also limits heat radiation through the glass, which reduces the risk to people and materials near it.

Is integrity glass allowed on escape routes?

In limited amounts and positions. Building guidance sets the rules; insulating glass is used where those limits are exceeded.

Is integrity glass cheaper?

Yes, considerably, and it is thinner and lighter.

Related services

Often specified alongside integrity fire glass

Gloved hands setting a thick laminated glass pane onto setting blocks in a grey steel glazing frame
E 30 – EI 120

Fire-Resistant Glass

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

Learn more →
White timber door with a narrow vertical glass vision panel in a flats corridor
to door rating

Fire Door Vision Panels

Replacement and new vision panels fitted to the door's evidence.

Learn more →
Process

How we deliver integrity fire glass

Tell us what you need

Send sizes, the rating required, photos of glass marks or your inspection report.

Survey

We measure, record existing marks and check frames, substrates and fire-stopping.

Written quote

Your quote names the tested system, classification and evidence it relies on.

Install and hand over

Installed to the system details, then a handover pack with photographs and references.

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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