in transparent glass partitions
Fire-resistant glass
Fire protection is becoming increasingly important in modern construction. In response to the needs of modern security systems, PRESS GLASS offers a wide range of fire-resistant glass. Their applications effectively limit the spread of fire, enabling the safe evacuation in case of fire.
General principles of fire-resistant glass performance
Fire-resistant glass is a multi-layered glass in which the glass panes are connected by interlayers that change their physical and chemical properties when exposed to high temperatures, creating a temporary barrier against fire. Thanks to these solutions, fire-resistant glass maintains its integrity longer in fire conditions, increasing the safety of building occupants.
Fire-resistant glass
classification
Oferowane produkty spełniają cztery podstawowe kryteria określone w normach budowlanych:
Class E
Fire integrity class. A structural element of this class forms a barrier against flames, smoke and hot, toxic gases, but does not prevent the transfer of heat.
Class EW
Fire integrity and radiation reduction class. A structural element of this class forms a barrier against flames, smoke and gases, and limits the transfer of heat radiation and the risk of ignition of materials located at a certain distance from it.
Class EI
Fire integrity and insulation class. A structural element of this class forms a barrier against flames, smoke and gases, whilst preventing heat transfer and the ignition of materials in direct contact with the element.
Class REI
Classification applied to structural elements of a building (e.g. walls, floors, facades and horizontal glazing). It denotes the ability of a partition to maintain its load-bearing capacity (R), fire resistance (E) and heat insulation (I) for a specified period during a fire. In the case of horizontal fire-resistant glazing (e.g. roof skylights, glass floors or glass roofs), REI or RE classes are used, depending on the required function of the partition.
Product range
| Supplier | AGC | GLASSPROF | POLFLAM | RETRE |
| Name of glass |
Pyrobel |
Glassprof | Polflam® | Antifire® |
| Type of glass | laminated glass with gel |
symmetrically toughened glass with a polymer-based hydrogel | symmetrically toughened glass with a polymer-based hydrogel | symmetrically toughened glass with a polymer-based hydrogel |
| Fire-resistant classes | single glass: EI15 – EI120; IGU: EI20 – EI120 |
single glass: EI30, EI60, EI90; |
IGU: EI30 – EI180 |
single glass: EI30, EI60 i EI90; |
| UV resistance | No* | Yes | Yes | Yes |
| Temperature range (for transport, storage and use of glass) | from -40°C to +50°C | from -10°C to +45°C | from -40°C to +50°C | from -20°C to +45°C |
| Custom shaped glass forms | Yes | Yes | Yes | Yes |
Benefits and applications
fire-resistant glass
Benefits
- Minimizes the risk of fire spreading
- Increases safety of building users
- Facilitates evacuation in case of fire
- Supports both monolithic and insulated glass unit application
- Offers flexibility in applications with different types of glass
- Provides additional protection in case of break-in
Examples of applications
Fire-resistant glass can be used where required by building regulations and where it is necessary to provide natural light and transparency to partitions. These include:
- staircases and lift shafts;
- corridors;
- evacuation routes;
- facades and external walls,
- glass skylights.
Specifications
On account of the fact that the gel binding of the glass is characterised by high sensitivity to UV radiation, the fire-resistant glass used externally must be secured by means of the PVB foil on the side of the glass most exposed to UV radiation. This refers to Pyrobel/Pyrobelite glass.
When ordering insulated solar control glass units with reflexive and tinted glass, the possibility of their application should be consulted in each case due to the limitations associated with the heating of fire-resistant glass. This is associated with the phenomenon of heat energy absorption in the glass mass, which in effect can cause degradation of the gel, which is a component of fire-resistant glass, under the impact of excessive temperatures.
Due to the requirements for fire-resistant glass, their production and ordering must take into account additional guidelines to which other products are not subject. PRESS GLASS’ offer includes insulated glass units with fire-resistant glass for external partition applications and monolithic glass for internal partition applications. Fire-resistant monolithic glass for external partition applications are available as a non-standard option.
However, the maximum applicable dimensions are limited by technical approvals, which define the maximum homologated dimensions of glass panes.
While ordering glass units it is essential to check the maximum dimensions allowed in the approval each time.
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