LiftMaster 50-LSBLK Loop-Sealant Cartridge, Black

Ensure dependable vehicle loop performance and long-term sensor protection with the LiftMaster 50-LSBLK Loop-Sealant Cartridge. This LiftMaster loop sealant cartridge is formulated for gate operators and security professionals who need a weather-resistant, high-coverage solution that stands up to the elements. The 29 oz cartridge provides ample material for multiple loop seal applications, while the black finish minimizes visual impact on asphalt driveways and conduit runs. Engineered to apply cleanly in sub-zero temperatures when surfaces are properly prepared, it helps maintain accurate detection and reduces false trips—critical for perimeter security, surveillance entrances, and access control monitoring. Manufactured in the U.S., the 50-LSBLK delivers consistent viscosity and cure properties for professional installs; note that the loop sealant gun is sold separately. Whether you're servicing commercial gates, parking access controls, or municipal monitoring loops, this cartridge simplifies installation and improves long-term reliability. Add the LiftMaster 50-LSBLK to your toolkit for faster, more secure loop seal jobs and professional results on every site.

• Provides durable, weather-resistant protection for vehicle loop sensors, extending system reliability and reducing maintenance visits
• Formulated for performance in sub-zero temperatures when applied to clean, dry surfaces—ideal for year-round outdoor gate operators
• 29 oz cartridge delivers professional coverage for multiple loop seal installs, lowering labor time and cost per job
• Black color blends discreetly with asphalt and conduit, preserving the appearance of entryways and security sites
• U.S.-made LiftMaster product compatible with standard loop sealant guns (sold separately) for fast, trusted installations