Will snap like a twig when it's cold.
I think the exterior grade PVC (the grey stuff) is not as brittle in the cold. Its also UV protected.
what about EMT?
Need and being a "cheap Charlie" is the mother of invention! Jethro and Jed Calpett, fellow hillbilliy's, made a lot of cool stuff. Why my old toilet planters, out on both side of the driveway, is a testimoney to that. I am the envy of my neighborhood.
i am in the process of building a PVC t-top for my 20 ft center console. I am building it with 2" PVC pipes. i will keep you posted.