The fire rated intumescent grille is designed for use as a fire barrier in either doors or partitions and has a 1 hour fire rating in accordance with BS476 Part 8 “Test methods and criteria for the fire resistance of elements of building construction”.
The core of the grille comprises a lattice of Palusol 210 intumescent material which swells at air temperatures above 150°C to Standard finish for the louvre grilles is stove enamelled white or silver but other colours and types of paint finish are also available as detailed in PART L.
The SG/BV60 assembly is available in sizes ranging from 150 x 100mm increasing in 50mm increments to 600 x 600mm. form an effective smoke and fire seal across the assembly. The cores are supplied with a set of pressed steel louvre grilles as standard, but can also be offered with other Brooke Air products such as the TG type transfer grille.