National Synthetic Undercoat White is a premium alkyd-based intermediate coat formulated to provide maximum hold-out for topcoats. Its non-absorbent formula ensures outstanding adhesion while creating a uniform, smooth surface that enhances topcoat performance and color accuracy.
This versatile undercoat hides minor surface imperfections, offers excellent leveling, and provides strong coverage across interior and exterior applications. Designed for professional and residential use, it ensures long-lasting durability when applied over wood, metal, plaster, or masonry.
Key Features:
• Smooth and even white base for topcoats
• Alkyd-based, high-adhesion formula
• Excellent leveling and coverage
• Suitable for wood, metal, masonry, and plaster
• Enhances topcoat color brightness and durability
• Quick drying for faster project completion
• Stain-blocking and moisture-resistant performance
• Low-odor and easy application via brush, roller, or spray
• Ideal for residential, commercial, and industrial projects
Available Sizes:
1L, 4L, 18L







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