FYI: I had trouble finding conformal coating. (easily)
Here is what I am using...bought (1)ea. of both @
http://www.grainger.com/Grainger/wwg/start.shtml
1D273 Sprayon SO2000 Acrylic Sealer, 16 oz. aerosol $3.90
1D274 Sprayon SOO611 Electrical Spray, 16 oz. aerosol $5.07