KBS Firestopping Panel Seal

Refer to our downloads page for complete technical information.

The KBS fire retardant panel seal consists of mineral wool panels coated with KBS firestopping coating. Only the exposed side of the panels and the visible penetrating items has to be coated with KBS fire retardant coating.

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KBS Fire Retardant Panel Seal Application Video
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According to the requirements, KBS firestopping panel seals can be installed as a single or double panel seal. Our fire retardant coating is a water-based, ablative, fire protective coating suitable for penetration seals and fire protection of cables or other utilities.

KBS firestopping coating lasts for the lifetime of cables, is highly flexible, is totally weather- and water-resistant, and is compatible with various chemicals.

Any mineral wool panels with a minimum density of 150 kg/cm3 can be used for KBS fire retardant panel seals. If not available on the local market, they can be supplied by the distributor. KBS coating is produced only by Grünau Illertissen GmbH, maintaining a quality system which fulfills the requirements of ISO 9001.

Fire Retardant Panel Seals Technical Information

The KBS firestopping panel seal is used for the fire-resistant closing of any size of opening in walls or floors, providing a smoke- and gas-tight seal around all penetrating utilities such as cables, cable trays, pipes and ducts.

KBS firestopping panel seals have been tested and approved world-wide and have received various ratings depending on type and national standard. (Please see list of international test reports on back page.) Please note the following results:

• Single Panel Seal (panel thickness 50-60 mm): Rated up to 120 min.
• Double Panel Seal: Rated up to 180 min.

Panels are coated with KBS fire retardant coating at approximately 3 kg/m2 on the exposed (visible) side only. This means that the same amount is used whether it is a single coating or a double panel seal. Fire retardant panels may be coated by spray or trowel on-site, or pre-coated. Pre-coated panels are also available from the distributor. In the double panel seal, there usually remains an air space between the two panels since each panel is installed flush with the outside of the wall.

In all KBS fire retardant panel seals, only the exposed (visible) penetrating items (cables, pipes, etc) must be coated with KBS coating for a distance away from the seal. This distance is specified in national tests and differs from country to country and according to requirements.

Retrofitting of additional utilities is achieved with ease in a KBS fire retardant panel seal. The opening for the penetrating item is cut as accurately as possible with a pointed saw knife and sealed with KBS firestopping sealant after the installation of utilities. Where the opening has been cut larger than the penetrating item, loose mineral wool should be stuffed tightly in the remaining space before applying KBS firestopping sealant.

KBS Panel Seal Video Demonstration