Check the listing for details. Mad Dog Dura Prime Peeling Paint Primer. Condition: New. Listed at 41.99 USD. Dura-Prime is the best water-based exterior primer to stop tannin and rust bleed problems. Dura-Prime comes in a clear base and helps new and weathered projects last up to 20 years.Dura-Prime is a bonding primer and is for new, peeling or weathered surfaces: wood, metals & masonry. Blocks rust and tannin bleed. The best choice for solving the most challenging paint projects. Stop rusty nails from bleeding through paint with Dura-Prime Video will open in a new window Using the mobile app? Copy this link into your browser: FeaturesDura-Prime helps paint last 2 to 4 times longer than traditional paint primerPenetrates, seals and encapsulates peeling, cracking and damaged surfacesPrevents paint from peelingProvides a stable surface for longest lasting top-coat life (expect up to 20 years)Blocks rust and tannin bleed with two coatsCoverage: 300 square feet per gallon