CONTRAFLAM®: EI fire-resistant safety glass (integrity and insulation)


CONTRAFLAM is range of fully insulating, clear, fire-resistant safety glass that offers from 30-120 minutes of integrity and insulation (EI30-EI120).

The products consist of two or more sheets of toughened safety glass. The cavity between the sheets of glass is filled with a transparent intumescent gel interlayer which reacts when exposed to fire. The number of sheets of toughened safety glass and interlayers is determined by the level of required fire resistance.

This product satisfies the highest demands of fire protection. It is robust in handling and UV stable with numerous variations available. It is also the only integrity and insulation fire-resistant glass to be manufactured in the UK.

CONTRAFLAM benefits:
• 30 - 120 minutes integrity & insulation (EI30-EI120) EN 1363
• Toughened safety glass: Class A safety glazing material BS 6206 / EN 12600 1(B)1
• UV Stable, so the same product is suitable for exterior and interior applications.
• Large pane sizes possible (extensive test data is available).
• Very bespoke: in IGU form, CONTRAFLAM can be combined with products that offer a wide variety of performance characteristics.

The product comes in a variety of configurations to satisfy different levels of fire-ratings, from EI30 to EI120.

When exposed to fire the special intumescent interlayers turn opaque and expand to form a fully insulating heat shield. This effectively reduces the transmission of radiated and conducted heat for up to 120 minutes. The opaque insulating interlayer blocks the view of the fire which minimises panic and acts as a guide for emergency services to indicate the presence of fire.

CONTRAFLAM can also be used in a range of formats, depending on the application:
• Single glazing
• Laminated
• Double glazing

Product variations are also available for different applications e.g. CONTRAFLAM STRUCTURE for butt-jointed partitioning.


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A subsidiary of the worldwide Saint-Gobain Group, Glassolutions is the largest processor, distributor, installer and repairer of glass and glass systems in the UK. With a heritage of over 140 years of expertise in glass and glazing, and with a...
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