|
I just use 6 inch black plastic on the outside of the observatory, the kind that builders use. Comes on 10 metre rolls and is pretty cheap. I put around 1 inches under a piece of edging (painted) to secure it to the end so that about 5 inches hangs down making a nice weatherproofing. Have used it for years and it works great, you do however have to pull it out if it curves under, but that's simple. There is also the same on the inside of the observatory. It is available in most harware stores.
PeterM
|