Carboline Bitumastic 50 Coal Tar Mastic

Carboline Bitumastic-50 is an ultra-high build, single-component coal tar mastic for the protection of steel and concrete substrates subject to aggressive conditions and for below grade damp proofing requirements. Bitumastic-50 is perfectly suited for corrosion protection of steel pipe, valves, fittings and mechanical type couplings. Other me too products try to compare themselves to Carboline Bit-50, but there is no substitute for the industry standard.


  • Application up to 30 dry mils in a single coat
  • Self priming, single-coat capabilities
  • Excellent corrosion resistance
  • Complies with MIL-C-18480-B and Bureau of Reclamation CA50 specifications
Material Safety Data Sheet Product Data Sheet
Northtown Company - 5202 Argosy Ave., Huntington Beach, CA 92649 - Phone: 714-897-0700 - Fax: 714-897-0600