MOUNTING ASSEMBLY WITH INTUMESCENT LAYER FOR DOWNLIGHTERS

摘要

An assembly (1) is described for use with downlighters incorporating an intumescent layer (53) secured to a backer member (52) such that the assembly (1) conceals the downlighter when a fire is generated by the light fitting within the downlighter. The assembly (1) comprises an expansion combination (51) positioned with the combination (51) secured to one part (4) of a retention means whilst a cover (8) over an opening (9) for the downlighter is retained by another part (5) of the retention means. The invention also provides retention means (101) which are adjustable to allow the effective length of the mounting arrangement (100) to be varied as required for specific installations.