STONETECH® Heavy Duty Sealer is a water-based penetrating sealer that provides advanced stain protection and antimicrobial product protection while preserving the natural look of the surface.

Features & Benefits

• Formulated without intentionally added PFAS including PFOA or PFOS
  
• Offers advanced stain protection against oil and water-based stains
  
• Low VOC, water-based formula - More comfortable indoor application with minimal odor 
  
• Built with antimicrobial technology§ - the sealer continuously inhibits the growth of bacteria, mold, and mildew on the sealed surface 
  
• Breathable, penetrating, natural look sealer preserves the original look of the surface 
  
• For interior and exterior use
  
• Professional grade for quality protection every time

It is designed to help protect against oil- and water-based stains on natural stone, tile, masonry, and grout in interior and exterior applications. Ideal for use as a granite sealer, tile sealer, and more. 

Formulated with built-in antimicrobial technology, STONETECH Heavy Duty Sealer provides product protection against the growth of stain- and odor-causing bacteria, mold, and mildew on the treated surface. Designed without intentionally added PFAS*, this water-based, low-VOC formula offers professional-grade performance with minimal odor and improved indoor comfort. Backed by a 25-year product satisfaction guarantee.