The Valspar Storm Coat (Lowe's) is part of the Paints test program at Consumer Reports. In our lab tests, Exterior paints models like the Storm Coat (Lowe's) are rated on multiple criteria ...

Paint does not require use of a primer prior to painting bare walls or wood or walls previously painted with semi-gloss or high gloss finishes.

Sadly I got cheap and picked up a gallon of Valspar paint for my 1/2 bath project. Well what was a cheap idea turned into being more expensive because I now have to repaint this bathroom.