Lanco® Stain Blocker™ is a 100% acrylic base with high-performance additives, specially designed to condition and ensure uniform and long-lasting applications of premium interior and exterior paints. To be used as a primer on new or previously painted surfaces, to resist the most alkaline structures and severe weather conditions. It can be used to help seal many stains such as crayons, graffiti, grease stains, hand marks, water stains, asphalt and rust stains so they cannot bleed into the top layer.

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