Installing a showerlight means that a small cutout needs to be made in your ceiling. This can affect the fire resistance of your ceiling so, by installing a firehood with your showerlight, you can rest assured that your ceiling is just as protective as it was. This firehood will increase the fire resistance of your showerlight by 66 minutes & is compliant with fire resistance code BS476 Part 23. 66 minutes fire rated firehood For use with showerlights BS476 Part 23 Compliant