Roofing element

Details Roofing element Roofing element

E - Fixed Constructions

04

D

72/53

E04D 1/00 (2006.01) E04D 1/04 (2006.01)

Patent

CA 1268956

ABSTRACT OF THE DISCLOSURE The invention relates to a roofing element, in particular a concrete roofing panel, at whose underside extend a suspension ledge and a base rib, while at least two cross ribs of lesser thickness than the base rib extend in the covering or over- lapping region next to the base rib and parallel thereto, with the basic surface of the base rib extending parallel in relation to the outer surface of the roofing element.For increasing the tightness of the roofing element, the thickness of the roofing element of optionally S-shaped or wave-shaped cross section in the apex of the cross rib farthest removed from the base rib is slightly, up to 6 percent at the most, less than the thickness of the roofing element in the base rib and the height of further cross ribs disposed between the base rib and the cross rib farthest removed from the base rib is less than the height of the cross rib farthest removed from the base rib.

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