Code Volume
AP-3051 1 Gal
AP-3055
5 Gal

APOC® 305 Dampproofing Mastic

Technical Data

APOC® 305
Dampproofing Mastic

  • Fibered asphalt emulsion
  • Great for use in cold process roofing
  • Fiber-reinforced for improved durability
  • Excellent base coat for reflective coatings

APOC® 305 Dampproofing Mastic is a trowel grade, fiber reinforced, asphalt based product for coating concrete, metal and other vertical surfaces. APOC® 305 has excellent dampproofing qualities and is non-flammable, odorless and bonds to damp or dry surfaces. It is used for damp-proofing above or below grade foundation walls, above grade cavity wall, sealing masonry surfaces and retaining walls and as an anti-corrosive wood, metal, and pipe coating. Finally, APOC® 305 contains no solvents so it will not deteriorate or harm insulation or styrofoam boards and is easy to use and clean up. DO NOT ALLOW STORED PRODUCT TO FREEZE.


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