Here you go mate.
http://www.iceinspace.com.au/forum/s...ad.php?t=78082
If it's going to be your shed as such, I'd go with the paver option and a tele-gizmo cover, and run it all from inside the shed. Other than that, I'm not 100% sure about partial roll off designs. One thing for certain, Not having to set up and pull down every imaging session is fantastic.
Darren