Tenmat FF102/25 Fire Rated Ventilated Cavity Barrier 1000x35x4mm carlton The most common size of

The most common size of OSB Board 18mm is 8 x 4 ft (2440x1220mm) but unlike most sellers we offer a great choice of sizes including 1 x 1 ft (305x305mm)

Durability: F2 – frost-resistant (suitable for all exposure conditions)

along with a compressive strength of 40N/mm2

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designed for public building circulation areas where safety and aesthetics matter

Tenmat FF102/25 Fire Rated Ventilated Cavity Barrier 1000x35x4mm carlton The most common size ofThis 4 mm Tenmat FF102 25 ventilated cavity barrier provides essential fire protection for building cavities. It expands rapidly under heat, sealing ventilation gaps to prevent flame and smoke from spreading through wall cavities. At just 4mm thick and measuring 1 Meter in length at 35x1000mm, it fits neatly into narrow spaces. The barrier features fire rated intumescent (swells when exposed to heat) materials, meeting stringent UK fire regulations.