You can use an old sock (clean) filled with baby powder to pat the rubber seal. The powder comes out of the sock as you pat the seal, but not enough to make a huge baby powder mess.
We recently made our sunscreen for our 2004 Newmar Scottsdale. We used fabric purchased at a local fabric store in their outdoor fabric section. It's black and acts like a solar fabric like the MDC shades or the other solar shades. You cannot see in ...