Tenmat’s FF102/25 cavity barrier is designed to suit 25mm external cavities which are uninsulated, ventilated and drained.
This barrier comes in a strip manufactured from a rigid intumescent material, covered in aluminium foil. The foil not only protects the intumescent but makes it easier to handle and more durable.
It provides a 21mm air gap in 25mm cavities.
Fire Testing
The fire rating achieved will depend on the construction of the external walls.
The FF102/25 cavity barrier has been tested to the principles of BS476: Parts 20 and 22, as well as BS EN1363-1: 1999
| Inner Leaf Substrate Type (facing cavity) with Appropriate minutes fire rating | Outer Leaf Substrate Type (facing cavity) with Appropriate minutes fire rating | Orientation | Insulation Type Within Cavity | Maximum Cavity Width (in mm) | Maximum Open State Air Gap (in mm) | Product Dimensions (thickness x height x length in mm) | For Use Within Internal of External Corners | Fire Resistance | |
| Integrity | Insulation | ||||||||
| OSB/ Timber Frame | Masonry | Horizontal | None | 25 | 21 | 4 x 35 x 1000 | No | 60 minutes | 60 minutes |
It is designed to be an external wall cavity barrier at the junction of a compartment floor.
No maintenance is required after installation, making this product a long lasting solution.
You may also be interested in the Tenmat FF102/50 cavity barrier.
IMPORTANT INFORMATION ON PURCHASING OF PASSIVE FIRE PROTECTION PRODUCTS NOTICE:
The information displayed about the products on this website is to be used for guidance ONLY. We advise that all customers contact our technical department to obtain a free no obligation specification and quotation before purchasing goods directly from the website.
Products purchased directly from our website without specification will NOT qualify for certification.
Please be aware that any negligence caused by failure to obtain the relevant advice, or availment of our specification and estimation service, will absolve International Passive Fire Ltd from any liability should Passive Fire Protection Products prepared, or used, by the purchaser, or any other parties, result in damage to property or human life, or for any monetary costs incurred due to incorrect usage.
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