Drago® Wrap Vapor Intrusion Barrier

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Engineered Protection
to create a healthy built environment.


Drago Wrap Vapor Intrusion Barrier is a multi-layered plastic extrusion that combines uniquely designed materials with only high grade, prime, virgin resins. This game-changing barrier technology provides high performance and longevity, allowing for the redevelopment of brownfield and contaminated sites, creating a healthy built environment.

Drago Wrap is a 3-in-1 product solution

A cost effective 3-in-1 product solution providing unsurpassed protection from chlorinated solvents, hydrocarbons, and moisture vapor.

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"It is estimated that there are more than 450,000 brownfields in the U.S."

- www.epa.gov/brownfields

The Exposure Pathway

For brownfields and contaminated sites, the focus has historically been to protect human health by preventing exposure to direct contact of contaminated soil or drinking contaminated water. We now know that inhaling chemical vapors poses a potential risk to the health of residents, workers, and other occupants who are inside the buildings.

(Source: EPA)


Vapor-forming chemicals may include:

  • Volatile organic compounds (VOCs),
    such as trichloroethylene and benzene.
  • Select semivolatile organic compounds, such as naphthalene.

This exposure pathway, known as vapor intrusion, is the movement of chemical vapors from the soil and groundwater into the building envelope.

      • In extreme examples, there is a risk of fire or explosion.
      • Other times, at levels with a detectable odor, there may be acute short-term health issues such as nausea, headache, and respiratory irritation.
      • More commonly though, long-term exposure to even low-levels of certain chemical vapors may increase the risk of chronic health effects, such as cancer.

(Source: EPA)

Migration of Soil Vapors to Indoor Air

Both diffusion and advection can draw unwanted chemicals into the building envelope. Regardless of the path that soil vapors can take, experts agree that a monolithic layer of protection like the Drago Wrap Vapor Intrusion Barrier System is critical to controlling the transmission of these chemicals into the building.



Drago Wrap is specifically engineered to serve as a barrier to volatile organic compounds (VOCs). Through patented and trade secret processes, Drago Wrap combines engineered barrier materials with the flexibility and strength of a high-performance polyolefin film into an easy-to-install barrier against hydrocarbons and chlorinated solvents.

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Extensive Testing Check

Tested - Proven Effectiveness

Extensive, independent testing proved Drago Wrap's effectiveness in attenuating hydrocarbons and chlorinated solvents. For more information on our independent testing, please contact Stego Industries Technical Department CLICK HERE.

Why Choose the Drago Wrap Vapor Intrusion Barrier Solution?
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with the Drago Full Line of Accessory Products*



A polymer-modified anionic asphalt emulsion, designed to be used with Drago Wrap, for sealing utility, pipe penetrations, and terminating edges.


Drago® Sealant

A two-component, high-performance epoxy, designed to be used with Drago Wrap, for sealing utility and pipe penetrations.


Drago® Sealant Form

A low-density, cross-linked, closed-cell polyethylene foam designed to be used as a detailing piece with Drago Sealant.


Drago® Tape

This pressure-sensitive adhesive, coupled with the same uniquely designed materials as Drago Wrap, make it ideal for sealing Drago Wrap seams and penetrations.


DragoTack® Tape

A solvent-resistant, double-sided adhesive strip used to bond and seal Drago Wrap to concrete, masonry, wood, metal, and other surfaces.

*For compliance with LARR regulations, some additional installation methods are required. Contact your local Stego representative for additional information.

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