Patent ID: 6898902

Claim:
A roof panel for a greenhouse roof, the panel comprising: plural pairs of transparent roof subpanels ( 12 , 13 ), said roof subpanels of each of said pairs meeting along a respective apex ( 16 ) that runs at a first non-zero angle (θ) from horizontal when installed in a greenhouse roof, said roof subpanels sloping away from said apex at a second non-zero angle (γ) that remains constant along a length of said apex, said apexes being parallel to each other, each of said pairs of roof subpanels meeting an adjacent one of said pairs along a respective nadir ( 18 ) that runs at the first non-zero angle from horizontal, said nadirs being parallel to said apexes, each of said roof subpanels comprising a roof sheet ( 71 ) and a base sheet ( 73 ) that are separated from each other by a first non-zero distance (h 4 ), said roof sheet and said base sheet being parallel to each other and connected to each other with partitions ( 75 , 76 ).