KEIM Contact Plus is a mineral-based bonding primer designed to create a strong mechanical and chemical bond between smooth, non-absorbent substrates and KEIM mineral finishes. Ideal for surfaces like painted concrete, dense masonry, or existing coatings, it promotes long-term adhesion while maintaining vapor permeability. With added fibers for reinforcement, Contact Plus ensures a stable, crack-resistant base coat for demanding exterior or interior applications.

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