Foamed assembly

A kit of parts comprising a plurality of elongated foamed elements made by cutting at least one foamed sheet having a top surface and a bottom surface, the at least one foamed sheet having been prepared by a foamed extrusion process and the foamed sheet comprises polypropylene, wherein the cutting is perpendicular to the top surface and the bottom surface of the at least one foamed sheet, preferably in a direction parallel to an extrusion direction of the foamed sheet or a direction transverse to the extrusion direction, wherein the elongated foamed elements have a compression stress at yield in a direction perpendicular to the cutting direction of at least 100 kPa, more preferably at least 300 kPa, as determined by ISO 844 (2014).

A method of manufacturing an assembly comprising a plurality of elongated foamed elements that are arranged next to one another in one plane, wherein the assembly is a sheet and the sheet has a compression stress at yield in the thickness direction of at least 100 kPa, as determined by ISO 844 (2014), the method comprising the steps of:

• i) providing at least one foamed sheet having a top surface and a bottom surface, which at least one foamed sheet has been made by a foamed extrusion process and wherein the foamed sheet comprises a polymer composition comprising polypropylene,
• ii) cutting the at least one foamed sheet perpendicular to the top surface and the bottom surface of the foamed sheet, so as to provide the plurality of elongated foamed sheet elements, wherein, in the assembly as manufactured, abutting side faces of the plurality of elongated foamed elements are bonded to one another and the assembly has a top surface and a bottom surface which are formed of surfaces of the elongated foamed elements that are perpendicular to the top or the bottom surface of one of the at least one foamed sheet from which the respective elongated foamed element has been made.