Applications

Stego® Mastic is a liquid-applied vapor retardant membrane, designed to be used in conjunction with StegoHome® vapor barriers and retarders to create a quality installation that greatly resists the ingress of moisture and other gases. It can be used for sealing utility, pipe penetrations, and terminating edges when used in conjunction with Stego® Tape or StegoTack® Tape.

Physical Properties

• Tensile/Elongation, ASTM D412: 32 psi, 3860%
• Resistance to Decay, ASTM E154: 10% perm loss
• Permeance, ASTM E96: 0.08 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

Features

• Time-saving aid in achieving an ASTM E1643 installation
• Sausage Tube feature allows for Stego® Mastic to be used with a mastic applicator (sausage) gun, for a more precise application
• Ideal for sealing multiple pipe penetrations in close proximity and small pipe penetrations
• Water-based, trowel-grade asphaltic emulsion
• Made in the USA

Additional Benefits

• Alternative to boots for pipe penetrations in StegoHome®
• Quickly seals around penetrations, especially pipe clusters
• Certified Low-VOC Emissions (Certified Clean Air GOLD)