Natural Stone Treatment WB 5 Gallon Unit


Economical water repellent

Sure Klean Weather Seal Natural Stone Treatment WB provides a cost-effective solution for water repellency on limestone, marble, travertine, and most other traditional masonry surfaces. It offers performance comparable to solvent-based products while avoiding the limitations of traditional water-based treatments. Surfaces treated with Weather Seal Natural Stone Treatment WB effectively repel water-based stains, as well as atmospheric and biological soiling.

Product Data Sheet

Safety Data Sheet


  • Water Repellency for Various Stone Types: Provides water repellency to limestone, marble, and travertine, as well as adjacent masonry.
  • Easy-to-Use One-Component Formula: Simplifies application.
  • Breathable Surfaces: Allows treated surfaces to "breathe," preventing moisture entrapment.
  • Versatile Application: Suitable for both interior and exterior surfaces.
  • No Surface Film or Gloss Formation: Maintains the substrate's original appearance.
  • Preserves Color and Texture: Does not alter the substrate's color or texture.
  • Protects Mortar and Grout Joints: Shields new or existing mortar and grout joints.
  • Shrinkage Crack Resistance: Resists water penetration when applied over existing shrinkage cracks of 0.02 inches or less.
  • No Solvent Odor: Ensures a pleasant application experience.
  • Stain Resistance: Resists penetration of water-based stains.
  • Protects Against Atmospheric and Biological Soiling.


  • Shelf Life: 2 years in tightly sealed, unopened container.
  • Formulation: Clear, colorless liquid with no odor.
  • VOC Content: Less than 5 g/L.
  • pH: 12.9.
  • Coverage Rate: 100–200 sq.ft. See Product Data Sheet for specific variations per substrate.
  • Freeze Point: 32° F (0° C).
  • Flash Point: Greater than 212° F (Greater than 100° C) ASTM D 3278.
  • Total Solids: 3.10% ASTM D 2369.
  • Weight per Gallon: 8.50 lbs.

Additional information

Weight 47.5 lbs
Dimensions 1 × 1 × 1 in