So, following the latest instalment in the ongoing saga of my GRP roof I've been thinking more about trying to enclose it in a temporary tent so it can dry / I can break the increasingly depressing dependency on the weather. The BBC reckon it's now going to rain here most days for at least the next fortnight, and it is getting progressively colder and darker.   I'm aware there's loads of high-end temporary roof structure systems, but I'm not really up for getting a contractor / paying