Best roof covering for outdoor orchid structure.

[Pandamom]

Hi all! This is my first post as I am relatively new to the orchid world. I live in central Florida, USA and have all my orchids outside in a 10’ x 12’ open structure constructed out of galvanized pipe with the sides open and the roof covered in 70% shade cloth over wire mesh. With the massive rains we have been experiencing, I covered everything in visqueen which almost destroyed the roof because the rain did not run off and was massively heavy. I need to convert to a solid roof system. So here is my question. I plan to use corrugated polycarbonate roofing panels. They block over 99% UV but that doesn’t necessarily mean it blocks heat. I was going to use the clear and try to also use the shade cloth but they have a “translucent smoked” version. Is anyone familiar with this product? Since Mother’s Day I went from 4 to over 40 orchids and I don’t want to cook them to death now. Thanks for the help!!