![Exterior Wood Primer and Undercoat](http://shopsignaturefinishes.com/cdn/shop/products/exteriorWoodPrimerUndercoat__95344.1523558557_{width}x.gif?v=1532539185)
For use on exterior woodwork, this Primer & Undercoat provides a protective, flexible and breathable foundation when using either Exterior Eggshell or Full Gloss. For the best possible finish, it is important to pick the right shade for your chosen topcoat.