Element of damping layer for flooring and related damping layer

An element of a damping layer for flooring, the element comprising:

• a frame which forms a first face of said element, said frame comprising a plurality of through openings;
• a plurality of support bodies which protrude from said frame at opposite side with respect to said first face, each support body being arranged at a respective through opening of said plurality of through openings and bridging with structural continuity two attachment regions belonging to said frame and mutually opposite with respect to said respective through opening,
• wherein said two attachment regions are mutually opposite along a longitudinal direction,
• wherein, in a vertical plane perpendicular to said first face and comprising the longitudinal direction, each support body has between the two attachment regions an arc development with concavity facing towards said frame for at least part of said arc development,
• wherein each support body comprises two end portions respectively adjacent to said two attachment regions,
• wherein, in said vertical plane, each end portion of one or more support bodies forms, together with said first face of the frame at the respective attachment region, a respective attachment angle facing towards the respective support body, said attachment angle being greater than or equal to 0° and less than or equal to 45°, and
• wherein the element is in single piece.