Stego Mastic is a water-based, medium-viscosity, polymer-modified anionic asphalt emulsion. It can be used to seal permanent penetrations of Stego Wrap quickly and easily, especially small pipes, between pipe clusters, and terminating edges.
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
- ASTM C836: Standard Specification for High Solids Content, Cold Liquid-Applied Elastomeric Waterproofing Membrane for use with Separate Wearing Course
- 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: 32 psi, 3860%
- Resistance to Decay, ASTM E154: 10% perm loss
- Permeance, ASTM E96: 0.17 perms
- Hydostatic Water Pressure, ASTM D751: 28 psi
- Adhesion to Concrete & Masonry, ASTM C836: 7 lbf/in2
- Hardness, ASTM C836: No cracking
- Low Temp Flexibility, ASTM C836: No cracking
Additional Benefits:
- Alternative to boots for pipe penetrations in Stego Wrap
- Quickly seals around penetrations, especially pipe clusters
- Easy application from sausage tubes with a standard sausage gun and/or from pails by brush, roller, or trowel
- Available nationwide
