Seal King’s Natural Stone Sealer is a clear premium penetrating sealer specially formulated to protect and enhance the color of flagstone and natural stone surfaces. This sealer will protect against mildew, fungus, UV rays, oils, acid rain, salt, and efflorescence. It will also reduce chipping and cracking due to freeze/thaw cycles. This product also allows moisture vapor transmission.


  • Protects against stains, dust, acid rain, mildew, fungus, UV rays, salt, oils, efflorescence and freeze/thaw cycles
  • For most natural stone including: limestone, slate, marble, granite, quarry tile and others (Sandstone – Natural Look only)
  • Reduces chipping, crumbling and cracking
  • Allows moisture vapor transmission
  • For outdoor use only
  • V.O.C. Compliant
  • Provides outstanding coverage

    Check product data sheet here