A container for containing and/or suppressing a fire may include a floor, a roof, and at least one wall associating the floor and the roof. The at least one wall may define an opening configured to provide access to the interior of the container. The container may further include at least one panel configured to close the opening. At least one of the floor, the roof, the at least one wall, and the at least one panel may include an intumescent material substantially covering an interior surface thereof.