I've just finished building a small roll off roof obs measuring 1.5m x 3m for my wedge mounted CPC925. As a first step to automating it, I'm setting up an AAG Cloudwatcher which can trigger a roof closure. Looking for options to motorise the roof - cheaply if I can. Thinking about using a sectional garage door opener - is this feasible? If so, are there some models that are easier to use than others? Other options?