766 Limestone & Masonry Prewash

Carbon crust dissolver

Sure Klean^® 766 Limestone & Masonry Prewash is a strong, alkaline-based cleaning compound formulated for use with Sure Klean^® Restoration Cleaner, Limestone & Masonry Afterwash or Limestone Restorer. When used properly, the prewash dissolves and assists in removing heavy carbon encrustations from brick, terra cotta, sandstone, limestone and most other masonry.

• Cleans the dirtiest masonry surfaces without sandblasting or extensive labor.
• Ideal for spot treating heavily stained areas, such as horizontal surfaces, under window sills, eaves, etc., where carbon and mildew stains are most severe.
• Does not damage or alter masonry surface.
• Easy to apply with brush or roller.
• Will not damage glass.

Available in 5 gallon pails.