Abstract: The present disclosure concerns a fire spread-limiting assembly comprising a heat resistant covering; and a cooling fluid circulation assembly comprising: a cooling fluid source integrated to the heat resistant covering, one or more flexible fluid lines being part of the heat resistant covering, and a pump fluidly connected to said one or more flexible fluid lines and to the cooling fluid source and configured to circulate the cooling fluid within said one or more flexible fluid lines upon actuation. There is also disclosed a method for limiting a spread of a fire.