General Construction Sealant

GacoSeal SM7120 PU

GacoSeal SM7120 PU is a one-component, gun-grade, non-sag, moisture-cure polyurethane sealant designed to skin and cure rapidly.  This high-performance product is designed with outstanding UV resistance and long-term durability.  Excellent adhesion is obtained on a wide variety of materials. ​​​​​

Permathane® SM7120 PU is now GacoSeal SM7120 PU. New name, same proven performance.

Benefits

• Excellent adhesion to a variety of substrates
• Dependable performance and durability
• Easy to gun, tool, and clean
• Accommodates +/- 35% joint movement
• Permanently flexible, excellent weatherability
• Excellent cut and tear resistance
• Paintable – non-sticky after cure
• VOC Compliant to SCAQMD, CARB, and OTC
• Primer-less adhesion to substrates including galvanized steel, aluminum, concrete, glass, Galvalume®, Kynar 500®, wood, vinyl, and fiberglass.

PACKAGING

• 10.1 FL OZ Cartridge
• 20 FL OZ Sausage

COLOR

• White
• Gray
• Limestone