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DRAGO® MASTIC SPRAY GRADE

Strong, Flexible, and Vapor Resistant

Drago Mastic Spray Grade is a polymer-modified asphalt emulsion membrane. It is designed and recommended for use on seams in Drago Wrap as needed to create a monolithic membrane, seal utility penetrations in Drago Wrap, or to seal terminating edges of Drago Wrap to existing foundation constructions. Drago Mastic Spray Grade forms a tough, durable membrane which maintains its superior performance properties when exposed to the chemicals found in soil. Drago Mastic Spray Grade is available in a 55-gallon drum.

Its many features include:

  • Ideal for seams, utility penetrations, and sealing the terminating edges of Drago Wrap
  • Water-based, polymer-modified asphaltic emulsion
  • Solvent resistant
  • Made in the USA

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Drago Mastic Spray Grade is a medium viscosity, water-based, polymer-modified anionic bituminous/asphalt emulsion. Used to support a monolithic membrane in Drago Wrap applications or to seal terminations to existing foundation structures.

APPLICABLE STANDARDS American Society for Testing & Materials (ASTM):  

  • ASTM D412: Standard Test Method for Vulcanized Rubber and Thermoplastic Elastomers Tension
  • ASTM E154: Standard Test Methods for Water Vapor Retarders used in Contact with Earth under Concrete Slabs, on Walls, or as Ground Cover
  • ASTM E96: Standard Test Methods for Water Vapor Transmission of Materials
  • ASTM D751: Standard Test Methods for Coated Fabrics
  • ATM C836: Standard Specification for High Solids Content, Cold Liquid-Applied Elastomeric Waterproofing Membrane for use with Separate Wearing Course
  • ASTM D471: Standard Test Method for Rubbery Property – Effect of Liquids
  • ASTM D543: Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents
  • ASTM E1643: Standard Practice for Installation of Water Vapor Retarders used in Contact with Earth or Granular Fill under Concrete Slabs

Physical Properties:

      • Tensile/Elongation, ASTM D412: 87 psi, 1800%
      • Permeance, ASTM E96: 0.08 perms
      • Adhesion to Concrete & Masonry, ASTM C836: Exceeds
      • Hardness, ASTM C836: 75
      • Crack Bridging, ASTM C836: Exceeds
      • Low Temp Flexibility, ASTM C836: No cracking

Product Benefits:

      • Available nationwide
      • Alternative to boots for pipe penetrations in Drago Wrap
      • Quickly seals around penetrations, especially pipe clusters

Installation and Warranty Information

As with any protection system, the installation of Drago Wrap is critical to the system’s effectiveness. Drago Wrap and Drago Accessories make it easy to complete a successful installation. Please refer to the complete Drago Wrap Installation Instructions.

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DragoSeal Tape

Multi-purpose tape designed for sealing, seaming, splicing, and more.

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DragoTack Tape

With a flexible and moldable substrate, DragoTack Tape can be used in a variety of applications and installations.

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