Miracle Sealants 511 Porous Plus Sealer is a professional-grade, penetrating sealer specifically formulated for the deepest protection of highly porous surfaces. Designed for natural stones like limestone, sandstone, flagstone, slate, and grout, this advanced formula creates an invisible barrier against oil, water, and stains without altering the natural appearance of the surface.

Ideal for interior and exterior use, 511 Porous Plus delivers maximum stain resistance in food prep areas, bathrooms, driveways, and outdoor patios. It’s breathable, UV-transparent, and safe on surfaces exposed to moisture, making it perfect for high-traffic and moisture-prone environments. Get long-lasting protection with minimal maintenance.