Mad Dog MDPDS100 Dura-Seal 24: Concrete & Masonry Primer, Gallon

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Use on new, peeling or weathered masonry surfaces such as concrete, block, brick, stucco, fiber cement and mortar. Penetrates chalky surfaces; dries clear.
SKU: 42989544
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Mad Dog Dura-Seal 24 will adhere to any masonry or concrete surface after the substrate has cured for only 24 hours. It will adhere to high PH, up to 14, and moisture content of 20%, allowing you to prime and top-coat much sooner than any other primer on the market. Mad Dog Dura-Seal 24 is for new, peeling or weathered masonry surfaces. Extreme sun, rain, heat, cold, humidity & salt air formula.


  • Size: Gallon
  • Save time and money by priming sooner than other masonry primers
  • Penetrates, seals and encapsulates masonry surfaces
  • Prevents peeling caused by efflorescence and salt damage
  • Mold and mildew resistant


  • 40% Solids/300-400 SF gal coverage
  • 200% Flexibility/200 psi Adhesion
  • Water-based, soap and water clean-up
  • Super low VOC, eco-friendly formula


SKU: 42989544
UPC: 689076143622
Brand: Mad Dog