MCO™ Outerwrap, Version 1, by Trenton

MCO™ Outerwrap, Version 1, by Trenton
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A pipeline protected by Trenton MCO™ outerwrap The “MC” in MCO™ Outerwrap stands for “moisture cured”. The materials in the wrap start to cure when they are exposed to the moisture in the air. Soon the wrap provides a very hard and tough outer coating. MCO™ outerwrap is a specialized blend of quick curing resins impregnated into a fiberglass fabric. It provides soil stress and backfill protection to coatings that need additional mechanical strength. MCO™ outerwrap is specifically designed as a “hard shell” outerwrap over the Trenton Wax-Tape® wraps. It can also be used over other coatings. It is sold complete with gloves and Trenton MCO™ outerwrap end adhesive. MCO™ outerwrap is hand applied, with no other application materials needed.

End Use

MCO™ outerwrap is used aboveground or belowground as a mechanical protective wrapper over Trenton’s Wax-Tape® wraps.

Application Procedures

Pre-apply any of Trenton’s coatings and then, with only enough tension to keep the slack out, spiral wrap MCO™ outerwrap with at least a 50% overlap (use 80% overlap when needed in high stress areas such as transition pipe in clay soils). Make sure MCO™ outerwrap is extended out past the new coating on both ends for better anchoring. At the end of the last roll, brush on MCO™ outerwrap end adhesive to prevent possible unraveling before the wrap has cured.


Average thickness30 mil (when cured)*
Application temperatures-20°F to 125°F(-29°C to 52°C)
Pipe operating temperatures-30°F to 250°F(-34°C to 121°C)**

*Thickness depends on amount of overlap.
**Trenton Wax-Tape® wraps have a maximum operating temperature of 125°F (52°C)


  • Adds mechanical protection to soft coatings
  • Superior protection against soil stress
  • Protection against backfill
  • A “hard shell” coating that may be painted