	- ASTM D 412 Standard Test Method for Vulcanized Rubber and Thermoplastic Elastomers - Tension
	- ASTM E 154 Standard Test Methods for Water Vapor Retarders Used in Contact with Earth under Concrete Slabs, on Walls, or as Ground Cover
	- ASTM G 23 Practice for Operating Light-Exposure Apparatus (Carbon- Arc Type) With and Without Water for Exposure of Nonmetallic Materials (Withdrawn 2000)
	- ASTM E 96 Standard Test Methods for Water Vapor Transmission of Materials
	- ASTM D 751 Standard Test Methods for Coated Fabrics
	- ASTM D 1434 Standard Test Method for Determining Gas Permeability Characteristics of Plastic Film and Sheeting
	- ASTM C 836 Standard Specification for High Solids Content, Cold Liquid-Applied Elastomeric Waterproofing Membrane for Use with Separate Wearing Course.
	- ASTM E 1643 Standard Practice for Installation of Water Vapor Retarders Used in Contact with Earth or Granular Fill under Concrete Slabs.

Installation

PREPARATION:

	- A test application simulating the project environment should always be done prior to final usage of Stego Mastic.
	- All Surfaces should be dry and free of loose materials, oils and other contaminants. The surfaces should be cleaned in the same fashion as the test surface in order to ensure proper results.
	- Store above 40°F

PENETRATIONS: For small pipe and rebar penetrations in Stego Wrap Vapor Barrier cut Stego Wrap just big enough for the penetration. Liberally apply Stego Mastic around the penetration to keep the integrity of the membrane intact. Stego Mastic can be applied by brush, roller, or sprayer.
NOTES:
1) For larger penetrations or wide cut-outs of Stego Wrap, use Stego Wrap and Stego Red Polyethylene Tape to repair and seal.
2) Solvent-based products should not be applied over this product.
CLEANING: Clean all tools with kerosene and/or oil-based cleaners.

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Details

USES: Stego Mastic is designed to be used as a waterproofing and vapor retardant membrane for use in conjunction with Stego Wrap 10-mil and 15-mil Vapor Retarder/Barrier. Stego Mastic can be used as an alternate to boots for pipe penetrations in Stego Wrap Vapor Barrier. Stego Mastic can also be used as a primary waterproofing for below grade walls.

COMPOSITION: Stego Mastic is a medium-viscosity, water-based, polymer-modified anionic bituminous/ asphalt emulsion, which exhibits bonding, elongation and waterproofing characteristics.

SIZE: Stego Mastic comes in five gallon buckets.

Additional Information

Manufacturer: Stego Industries

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