1. masonry & coating compounds mega metal systems
4.1
Megaspansion
™
Concrete Expansion Joint Sealant
• Flexible formulation allows for +/- 50% joint movement to keep joints sealed and
protected even under extreme conditions
• Non-sag compound easily seals vertical, horizontal and overhead joints
• Paintable and UV resistant enables indoor and outdoor use in a wide variety
of environments. Can be covered with sand to match concrete surface.
• Single part cartridge requires only a standard caulking gun for application
• Durable non-isocyanate formula will not crack, peel or stain
Applications:
• Concrete expansion joints
• Thresholds
• Concrete walls ceilings
• Containment
• Cool rooms
• Freezers
• Wastewater treatment
• Fountains
• Parking garages
• Banisters and stairs
SPECIFICATIONS
Tensile strength (ASTM D638)........................................................... 125 psi
Hardness (ASTM D2240)........................................................... 15 Shore A
Elongation.......................................................................................1200%
Peel adhesion (on unprimed aluminum)................................23 psi/100% CF
100% modulus..................................................................................20 psi
Skin time.........................................................30-60 minutes at 77°F/25°C
Full cure time..............................................................5 days at 77°F/25°C
Color.........................................................................................Light Gray
Coverage............................ 12 linear ft. @ 1/4” thick 1/2” wide per tube
Service temperature range.......................... -75°F to 300°F (-59°C to 149°C)
Conforms to.....................................................TTS-0230C and ASTM C920
Code# Description
575-6-3100 Megaspansion, 10.1 oz tube
For Recommended Accessories, See page 4.17
* Ready for service after skin is dry