if necessary, the outer surface of the chimney is covered with a layer of thermal insulation;
In the case of a pipe output through a roof performed or containing combustible and/or flammable materials, a steel chimney is supplied with a spark.
if necessary, the outer surface of the chimney is covered with a layer of thermal insulation;
In the case of a pipe output through a roof performed or containing combustible and/or flammable materials, a steel chimney is supplied with a spark.