Originally Posted by jdalrymple
I don't know how "green" it is, but Purple Max cleaner from Wal-mart sprayed full strength on a rag and then followed with a rag wet with rinse water will clean the walls in one pass.
It is degreaser, located in the automobile section.
Two things are needed to clean the walls,
1. A very good non toxic cleaner.
2. Lots and lots of elbow grease.
Then, prior to painting, the vinyl material must be sanded
, not scuffed but sanded.
If not done properly or adequately, the paint will peel in short order.
Sanding with 120 to 150 grit sand paper is an absolute must, OR ELSE.