Superdeck® Super Prime specialty primer is a high-quality oil-based, exterior stain-blocking primer recommended for use on all types of exterior wood surfaces, including siding, singles, plywood and rough-sawn or smooth surfaces. Super Prime is specially designed for use on extractive-prone wood species and is formulated with the highest-quality stain-blocking pigments to provide superior resistance to extractive bleeding. The addition of special Alkyd resins conditions excessively chalky surfaces. Super Prime's higher-hiding and faster-drying formula allows application of a quality finish coat in just a few hours, increasing labor efficiencies by improving project completion time. Super Prime makes an ideal base coat for Superdeck Super Hide Siding Stain, as well as all types of exterior solid stains and paints. ePaintStore.com is the internets first online paintstore!