Roof element.

摘要

The invention relates to a roof element comprising at least substantially channel-section beams extending in the direction of length of the roof and being made from sheet material and plates fastened to said beams whereby at the free ends of their limbs the channel-section beams are provided with bent-over flanges which are fastened with the aid of nails or bolts to corrugated plates of sheet material directly bearing on said flanges.