Master-Lee Decon Services has a patented encapsulation process for your most demanding project’s needs. Having a wide variety of use, Instacote™ML is a spray-on, pliable, polyurea coating.

Because InstaCote™ML is a polyurea, it dries within seconds of application which results in virtually instant access to any work area. The adhesion and strippable qualities associated with InstaCote™ML make it a versatile tool in most arenas of encapsulation, protection, and separation. Instacote™ML has continuously provided customers with critical path time savings, PCE reduction, and dose savings.

Radioactive Systems

  • Reactor Cavity Decontamination
  • Transfer Canal Decontamination
  • Spent Fuel Pool Decontamination
  • Tank & Vessel Decontamination

The InstaCoteTMML Advantage

  • Reduce Critical Path time (4-20+ hrs)
  • Reduce exposure
  • Decon factor of 10 is common, 300 DF is possible
  • Provides clean work area
  • Equipment can be set up outside of the RCA
  • Equipment has a small footprint (~24 ft2)
  • Application time of ~ 1,400 ft2 / hr
  • Dries in 30 seconds
  • Removal time is ~ 1,400 ft2 / hr
  • Certified incinerable (99.8% by volume)

Product Description

  • Two-part polyurea spray-on plastic
  • Removable/Strippable
  • Encapsulant (permanent applications or long-term stabilization)
  • Approved by various NSSS suppliers for use on Primary Systems


  • Reactor Cavity Leak Migration
  • Tanks
  • Asbestos
  • Pipes
  • Shipping/Storage Containers

Coating Proces

  • Sprayed onto the desired surface
  • Heated Hoses
  • Measures, heats & pressurizes material
  • Can be operated outside controlled area from ML trailer
  • Requires minimal crew per shift

Contact us for more information about our Decon Services

Please complete the following form and we will address your questions as soon as possible. Or you may call us at 1-800-662-4493 to speak with a Sales or Technical representative.