The fire hood is flexible and light and can be used in plasterboard, suspended or concrete ceilings. 60 minute fire rated - NOT acoustically rated. Suitable for use with downlights up to 80mm cut out. Intumescent material used in the fire hood is breathable. Prevents the terminal block and downlight from overheating. MLA part code FR150 Description Fire Hood Finish White Suitability Suitable for down lighters with cut out up to 80mm only Overall dimensions (mm) Diameter 150 Height 150 Nett weight (kg) 0.107 IP rating IP20