I use acrylics for washes... Alclad is a Lacquer. And I use Future, or acrylic clear coats (if I don't use acrylic for a wash etc).
Bu tI have left some thing uncoated... Alclad seems pretty duable to me.
www.naplak.com/modeling ... a free site for modelers
www.scalehobby.com/forum/index.php ... a nice Modeling Forum