A panel used as covering consisting of an insulating core material with inner and outer metal skins.

prefabricated panel which settles on purlins as a single skin cladding, constituted by two ribbed sheet steels enclosing an insulation.

A panel with plastic, paper, or other material enclosed between two layers of a different material.

Insulation covered on each side by a material, such as metal.

wall or other structural panel consisting of core of one material between two sheets of a different material.

A panel consisting of two outer faces of wood or metal, bonded to a core of insulating foam.