Product description
Intumescent seals that, in case of fire, seal from smoke and heat.
Marvon intumescent seals are an essential complementary accessory for the construction of high performing fire doors.
In order to obtain a certificate of approval a fire door must possess certain characteristics that provide a complete barrier to fire and smoke for a variable period of time in relation to the requested approval. (30, 60, 90, 120 minutes).
The European standard for fire doors is being prepared under a mandate from the European Commission. As the European standard is as yet incomplete, CE marking for fire performance is not possible. Each member state of the EU therefore refers to national standards, which are updated periodically with the European standards that have been completed. To date, therefore, there are different criteria for importing fire doors in a country and it is essential that functionality and resistance be guaranteed both for the door and for the components of the same.
The seals have the fundamental characteristic of expanding significantly in volume when exposed to elevated temperatures or flames. They must therefore be incombustible or flame-retardant.
They must also combine good mechanical resistance with their heat resistance performance. This means guaranteeing easy positioning on the frames with normal temperatures of use and room temperatures and, at the same time, remain securely in place during the expansion phase of the same, due to the effect of the heat or the fire at high temperatures.
In other words, the seals must remain in place once they have expanded in order to seal off the rooms, withstanding the mechanical stress resulting from the fire. The seals may therefore be called on to resist forces of positive and negative pressure produced by the fire even of a significant entity. In the event of inadequate mechanical resistance, the seals could allow the fire and smoke to pass through the cracks and gaps thus allowing the fire to spread.
Product characteristics
- can be glued along the sash perimeter, self-adhesive
- does not provide a standard seal, can be used in parallel with the usual sealing rubber
- water and moisture resistant
- tested by DIBt (Berlin), test certificate no. Z-19.11.1533 (03.03.2014)
- complies with DIN 4102 B2 and 4102-1/1 standards
- expands in 3 dimensions in case of fire
- expansion start temperature 150°C - 180°C
- expansion pressure 5 bar
- expansion volume 1:10
- does not contain organic solvents
- At a temperature of 450°C, it forms a stable, slightly flexible and porous foam seal under the influence of load
- possible thickness: 1.5, 2, 3, 4, 5 mm
- possible width: 9 - 58mm
- in a standard roll of 100 m, it is possible to order an individual length
Product kit includes
- fire resist rubber MARVON-TECNOFLAME - 1 m
The color tones on the screen are reproduced electronically. They may differ from the actual color tone because our color perception is affected by the surface of the material, glare, lighting, and other factors. To accurately determine a color shade, we recommend that you use real color shade catalogs, always be confident in your choice, and use the color shade catalogs in an environment or conditions similar to those for which you choose a color.
The image of the product is informative. Specifications may vary depending on configuration and size. Fittings and their location may vary.
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Email: info@fores.lv, contact number: +371 25438606
