Emulsified Asphalt Dampproofing Compound

DEHYDRATINE 75 is a VOC compliant, water-based compound designed to dampproof concrete and masonry.  The DEHYDRATINE formulation is derived from colloidal, asphalt-based clay emulsions, that utilize a water carrier. It can be used above and below grade. DEHYDRATINE 75 is highly effective and is easily applied by trowel or spray.


Features & Benefits

  • DEHYDRATINE 75 is an effective dampproofing product on roofing materials such as fiber glass fabric and metal (see Roofing under Application Techniques). DEHYDRATINE 75 can be used over most metals to protect against rust and corrosion. It has good weathering and abrasion resistance. It resists flow or sag even when exposed to high ambient temperatures. Other advantages include:
  • Solvent free
  • Adheres tenaciously to damp or “green” surfaces
  • Breathes to allow water vapor to escape and reduce blistering
  • Flexible and will not crack as a result of normal contraction & expansion
  • Asbestos free

Specifications / Compliances

  • ASTM D1227 Type III
  • ASTM D1187 Type I


DEHYDRATINE 75 is packaged in 5 gal (18.9 L) and 55 gal (208 L) containers.