Sealing & Waterproofing Mastic

A self-amalgamating mechanical grade mastic used for sealing and water-proofing. 

Waterseal offers exceptional adhesion to metals, cable insulations, and jackets. Its soft and malleable nature allows for effortless molding and conforming to irregular shapes, ensuring a perfect seal every time.

This mastic solution provides robust protection and retains it's flexibility even in low temperatures, making it a reliable choice for applications that require pliability in colder conditions. Additionally, Waterseal exhibits excellent thermal stability, withstanding temperature variations for long-lasting performance.

For optimal results, consider combining Waterseal with Plymouth Premium vinyl tapes.

Temperature range: -10ºC to 90ºC | 14ºF to 194ºF


  • Linered
  • Contractor / Industrial
  • Utilities
  • Telecom
  • OEM
Performance Level:
  • General Purpose
Tack Level:
  • Excelent Tack (<5cm)