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Wales · 20 postcode districts

Insulated Fire Glass (EI) for Mid Glamorgan buildings

We take insulated fire glass enquiries from across Mid Glamorgan, with surveys arranged in Rhondda, Tonypandy, Bridgend, Merthyr Tydfil, Pontypridd and the surrounding towns.

EI 30 – EI 120WalesCF

Quote for Mid Glamorgan

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

Edge of a multi-layer laminated glass pane showing its interlayers

What our insulated fire glass service includes in Mid Glamorgan

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
  • Impact-classified insulating glass
  • EI 30, EI 60, EI 90 and EI 120 glass

Before you order in Mid Glamorgan

Thickness and weight

Each step up in rating adds layers, so EI 120 is far thicker and heavier than EI 30. The frame has to be designed for it.

Storage on site

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

How it works

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

Choose a town in Mid Glamorgan

Across Mid Glamorgan we can survey in Rhondda, Tonypandy, Bridgend, Merthyr Tydfil, Pontypridd and every district in the CF postcode areas.

Regulations for Mid Glamorgan projects

Wales Which rules apply?

Building regulations are devolved in Wales, so fire safety design follows the Welsh Ministers' version of Approved Document B rather than the English one, alongside impact safety guidance for glazing.

The Regulatory Reform (Fire Safety) Order 2005 applies in Wales, so the responsible person must maintain fire-resisting glazing as part of the premises' fire safety measures. The Fire Safety Act 2021 confirmed this extends to the structure, external walls and flat entrance doors of multi-occupied residential buildings.

Wales is introducing its own building safety regime for occupied residential buildings, so check current Welsh requirements before planning major works to blocks of flats.

Insulated Fire Glass (EI) in Mid Glamorgan: questions

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.

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 EI glass be used outside?

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

Do you cover all of Mid Glamorgan?

Yes. We take enquiries from across Mid Glamorgan, including Rhondda and Tonypandy, Bridgend, Merthyr Tydfil, Pontypridd, and arrange surveys to suit your programme.

Related

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Process

From enquiry to handover in Mid Glamorgan

Share the details

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

Survey

We visit Mid Glamorgan 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.

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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