Kaleidoscope Concrete Primer – White (3.785 L / 1 gal) is a premium acrylic emulsion primer engineered for both interior and exterior use on concrete, masonry, plaster, brick, and fiberboard surfaces. Formulated with a tough yet economical resin base, it delivers excellent adhesion, opacity, and durability, reducing issues like peeling or flaking. This mercury and lead-free primer is also mildew and fungus-resistant, making it ideal for humid or tropical environments. You can apply it by brush, roller, or spray (dilution: approx. 10%), with a coverage of about 33–41 m² per 3.785 L. It dries quickly in 15–20 minutes and is ready for a topcoat in just 3–4 hours. With flat matt finish and smooth consistency, it creates an ideal base for every painting project.