Now cover it! We didn't have the time or desire to do a double layer, since it would have entailed ANOTHER trip to home depot and no one was in the condition to be driving, lol.
1- Showing edge clips made of scrap PVC with a section removed at an angle so as not to tear the plastic, idea courtesy of a local greenhouse geek.
2- Marge, Thelma, and Selma stopped by to pull sheeting
3- Some people just NEED dreadlocks. Here's a pic showing the contortions one must go through to attach the flaps over the vents
4- The vent as it looks closed. There's a weight in there. A piece of iron gas line pipe is ideal, but it MUST be significantly wider than the vent hole to work correctly!
5- The ends need work still but it's essentially useable at this point.