Protective barrier for industrial equipment

Protective barrier for an item of industrial equipment that is traversed by and/or processes a combustible fluid or oxygen, having four vertical walls forming four sides of a parallelepiped, these walls being attached to a base so as to define a rectangular-section space that is intended to contain the industrial equipment arranged on the base, the four vertical walls having a height of at least 2.4 m and having at least one partial roof attached to at least one of the vertical walls, having a surface parallel to the base and extending over the space, the surface area of the partial roof or the surface area of each of the partial roofs being equal to at most 50% of the surface area corresponding to the rectangular section.