TUFCHEM™ II Membrane Spray Grade

TUFCHEM II Membrane-Spray Grade is a 2-component elastomeric urethane-modified asphalt membrane. It is designed to be applied using industrial spray equipment at a nominal 1/8-inch (3 mm) thickness to protect concrete and steel substrates from corrosion. Also available in trowel-applied Regular Grade and self-leveling TUFCHEM II SL Membrane.

Uses

• Corrosion barrier to protect concrete and steel substrates from chemical attack.
• Membrane under acid-resistant brick, polymer concrete, and vessel linings.
• Dew point corrosion protection membrane under refractories and gunite linings.
• Corrosion barrier in chimneys, flues, or ducts.
• Field repair compound for rubber membranes in tanks and absorbers.

Features

• Spray-applied
• Sag-resistant at 80 – 165 mils (2.1 – 4.2 mm) WFT
• Two-component
• Shelf stable
• Achieves 80 – 125 mils (2 – 3 mm) film in one pass
• Very good abrasion resistance
• Retains flexibility down to -40°F (-40°C)
• Suitable for acids, alkalis, and salt solutions
• Excellent water vapor barrier
• Bridges hairline cracks in concrete