Premium Cold Applied Asphalt Emulsion (275G) - WESTERN COLLOID #298, PREMIUM COLD APPLIED ASPHALT EMULSION & DAMP PROOFING. ASTM D 1227 TYPE III. 275-GALLON TOTE. PRICE/TOTE. (includes cost of Tote; special order, not returnable; leadtime 1 week)
Premium Cold Applied Asphalt Emulsion (275G)
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Western Colloid #298 Premium Cold Applied Asphalt Emulsion & Damp Proofing. 275-Gallon Tote. Price/Tote. (includes cost of Tote)

Ordering Notes:

  • Special order, not returnable; leadtime 1 week.


Western Colloid’s #298 is a premium grade, clay stabilized asphalt emulsion. It is produced in a continuous colloid mill process without any added surfactants or additives. Western Colloid’s #298 Asphalt Emulsion is a superior waterproofing and weather resistant surface to standard Hot Asphalt (Oxidized). It can also resist ponding water much longer than standard Hot Asphalt products.

  • Superior performance
  • Water based
  • Odorless
  • Non-Flammable
  • No hydrocarbons (no VOCs)
  • Easier equipment clean-up
  • Meets ASTM D1227 Type III and D1187
  • Not DOT regulated
  • Can be applied by spray, brush, roller, soft broom or squeegee


  • Base coat for cold fluid applied seamless fabric-reinforced roofing system.
  • Forms part of Western Colliod UL Class-A and or Factory Mutual Class 4470 roof systems.
  • Base coat for SilverWhite or Elastahyde reflective coating.
  • Uniform weathering surface for smooth or mineral surfaced composition built-up roofing.
  • Waterproofing compound for cold process, built-up roof systems utilizing polyester and or fiberglass reinforcements.
  • Protective surface for metal roofing, masonry, stucco, parapet walls, curbs and base flashings.
  • Corrosion resistant surface for most exterior metal surfaces.
  • Damp proofing compound for below grade walls.


  • Packaging: 5G, 55G, bulk totes and tankers (call for special bulk pricing).
  • Also available in elastomeric (rubberized grade).

More Product Information:


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