45 Mil Reinforced Polyethylene Liner

ModuTank, Inc.’s 45-mil reinforced polyethylene geomembrane liner is a premium flexible containment solution engineered for the most demanding environmental and industrial challenges. This advanced membrane features a high-density, tightly knit polyester scrim fully encapsulated between two layers of specialized linear low-density polyethylene (LLDPE). By fusing premium-grade polyethylene with a dense internal reinforcement, this multi-layer construction delivers exceptional toughness. The result is a liner that offers superior tensile strength and puncture resistance, ensuring the highest level of security for critical containment applications.

To ensure longevity in the field, our liner formulation incorporates a sophisticated blend of antioxidants, UV stabilizers, and carbon black. These additives provide a robust defense against oxidative induction and UV degradation, making the material ideal for both long-term exposed surfaces and buried barrier applications. While manufactured as a standard opaque black membrane to maximize UV protection, alternative colors are available upon request to meet specific aesthetic or thermal performance requirements. Furthermore, the material is engineered for exceptional dimensional stability, offering high resistance to chemical exposure, thermal expansion, and cold-temperature cracking. This ensures the liner maintains its flexibility and structural integrity across a wide range of volatile operating environments.

This reinforced geomembrane is specifically designed for mission-critical projects that demand an extended outdoor service life of approximately 20 years, or more. Its longevity is supported by a balanced reinforcement pattern that prevents elongation and maintains high tear resistance even under constant hydrostatic or environmental pressure. Whether utilized in large-scale reservoirs, hazardous waste containment, or industrial lagoons, the material’s composition provides a dependable, long-term barrier that exceeds standard industry performance metrics. Its reliability makes it the definitive choice for engineers and project managers who require a high-tensile, puncture-protected solution that can withstand two decades of rigorous service.