Spec CJ Guard

Water-based, control joint filler stain protectant


Spec CJ Guard is a water-based blend of film-forming polymers that prevents or reduces staining of concrete due to overfill of epoxy or polyurea joint fillers.

Features & Benefits

  • Contains 13 g/L VOC
  • Prevents unsightly stains caused by control joint material overfill
  • Makes shaving of joint fillers easier
  • Can be removed from concrete and tools with water
  • Water-based, very low odor formula

Need help? Call our Customer Service Team at 816-968-5600.

SpecChem is America’s #1 manufacturer of concrete construction chemicals and the industry’s gold standard for high-performance concrete and construction products.