at least one of the materials being insulating

Full Title

Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels (materials or manufacture, see the relevant subclasses, e.g. B27N, D21J; made in situ E04B; specially designed for insulation or other protection E04B1/62; load-carrying floor structures E04B5/02, E04B5/16; roofs consisting of self-supporting slabs E04B7/20; roof or like covering elements E04D3/00; for lining or finishing E04F13/00) > characterised by specified materials (translucent E04C2/54) > composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups > at least one of the materials being insulating

Child Classifications

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• E04C 2/288 composed of insulating material and concrete, stone or stone-like material
• E04C 2/292 composed of insulating material and sheet metal
• E04C 2/296 composed of insulating material and non-metallic or unspecified sheet-material (E04C2/288 takes precedence)