KEIM Interior Mineral Primer is a breathable, mineral-based primer designed to prepare interior walls for KEIM’s mineral paints. It stabilizes absorbent or slightly sandy surfaces, ensuring optimal adhesion and a consistent finish. Ideal for use on plaster, drywall, lime render, and other mineral substrates, this primer supports healthy indoor air quality with zero VOCs and excellent vapor permeability. It’s the perfect first step for long-lasting, natural-looking mineral coatings.

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