Roof covering by making use of flexible material, e.g. supplied in roll form (using stiff sheets E04D3/00; gravelling of flat roofs E04D7/00 ; built-up roofs E04D11/02)

Child Classifications

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• E04D 5/02 of materials impregnated with sealing substances, e.g. roofing felt
• E04D 5/04 by making use of metal foils
• E04D 5/06 by making use of plastics
• E04D 5/08 by making use of other materials
• E04D 5/10 by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
• E04D 5/12 specially modified, e.g. perforated, with granulated surface, with attached pads
• E04D 5/14 Fastening means therefor