E04D3/00 - CPC Classification

Roof covering by making use of flat or curved slabs or stiff sheets

• E04D3/02 » of plane slabs, slates, or sheets, or in which the cross-section is unimportant 15
• E04D3/24 » with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like 38
• E04D3/35 » Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation 46
• E04D3/36 » Connecting; Fastening 40
• E04D3/38 » Devices for sealing spaces or joints between roof-covering elements 27
• E04D3/40 » Slabs or sheets locally modified for auxiliary purposes, e.g. for resting on walls, for serving as guttering; Elements for particular purposes, e.g. ridge elements, specially designed for use in conjunction with slabs or sheets 74

Recent Application in this class: