Firestop collar INTU FR COLLAR L is composed of:
- a flexible insert (INTU FR WRAP L) made of graphite-based material that swells under the influence of temperature above 140°C and
- an external casing made of 1.0 mm steel sheet delivered in 2.5 m sections. The steel collar casing is equipped with mounting brackets for attaching the collar to the partition. The universal size enables installation of the collar on various pipe diameters.
INTU FR COLLAR L is used for fire protection of penetrations with non-flammable pipes in flammable synthetic rubber insulation and flammable pipes running through fire partitions
The wall must be at least 150mm thick and have concrete, cellular concrete structure or masonry structure, with a minimum density of 600kg/m3
The floor must be at least 150mm thick and have concrete, cellular concrete structure or masonry structure, with a minimum density of 1700kg/m3