Chemstop WB Regular/Heavy Duty

CHEMSTOP WB REGULAR/HEAVY DUTY is a water based, ready to use, siloxane/silane water repellent formulated for two different applications. Use Regular for dense surface, such as precast or poured in place concrete, and Heavy Duty for porous surfaces such as lightweight concrete, concrete block and mortar joints.


  • Allows concrete/masonry repel water and salts
  • Colorless & odorless
  • Non-staining, non-yellowing, breathable
  • Reduces efflorescence and spalling
  • Will not alter texture or appearance of treated surface


  • Concrete
  • Concrete block
  • Lightweight concrete
  • Brick
  • Mortar joints


  • CHEMSTOP WB meets performance standards of SS-W-110C
  • Complies with all U.S. EPA and local VOC regulations, including OTC, LADCO, Maricopa County, and California (CARB and SCAQMD)


CHEMSTOP WB is packaged in 55 gal (208 L) drums, 5 gal (18.9 L) pails and 6/1 gal (3.8 L) units.

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and availabilty,

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