Downlight Fire Hoods fire rated to BS EN 1365-2:2000 / BS476 Part 23:1987. 30 or 60 minute fire rating. Covers a wide range of mains & low voltage downlighters. Choice of 5 sizes. Provides a highly insulating stable char when exposed to fire. Prevents fire from penetrating the ceiling void and retains ceiling's fire protection integrity. Acoustic Rated BS EN 1SO 140 : BS EN ISO 717. Ventilated to reduce heat build up. Installed in seconds. No screws, drilling or additional supported required. Maintenance free. Can be used in suspended, plasterboard or concrete ceilings. Lightweight & flexible cover can be fitted from below or above the ceiling. Downlighter can be fitted as normal.