STONETECH^® Heavy Duty Exterior Sealer is a solvent based, penetrating sealer which offers advanced stain protection and weather resistance on natural stone, masonry, and grout surfaces.

Designed specifically to meet the challenges of exterior applications, STONETECH Heavy Duty Exterior Sealer minimizes efflorescence and repels water. 

Features & Benefits

• Advanced protection against water-based stains
• Protects natural stone, masonry and grout
• Minimizes efflorescence and repels water
• Provides weather resistance
• Solvent-based formula
• For exterior use

Patent #(s)
Available Colors/Finishes
Part of System	LATICRETE®
Country Availability	Canada, United States
Substrates	Concrete, Granite, Sandstone, Slate, Travertine, Tumbled Stone
Packaging Summary	US ST308-1202: 2oz Sample Bottle - 12 / case - NOT For Resale ST308-0632: Quart /32oz (946ML) Bottle - 6 / case ST308-0401: Gallon /128oz (3.8L) Bottle - 4 / case ST308-0105: 5 Gallon (18.9L) Drum - 1 unit CANADA ST351-0632: Quart /32oz (946ML) Bottle - 6 / case