GREENHOUSE AS WELL AS ROOF ELEMENT FOR SUCH A GREENHOUSE HAVING INCREASED LIGHT TRANSMISSION

摘要

The invention relates to a greenhouse (1) provided with a roof element (2) having a multiplicity of transverse ribs (12, 13, 14, 15) or pyramids uniformly distributed over the roof element. The roof element can be constructed double-walled as a hollow-core sheet from transparent plastic an d can comprise a base sheet with the rib-shaped or pyramid-shaped roof surface s fixed thereon. The light yield in a horticultural greenhouse can be increase d by means of the roof elements according to the present invention.