Aquascape AQUASCAPE HEAVY-DUTY POND UNDERLAYMENT - 7.5' X 7.5'

Aquascape Heavy-Duty Pond Underlayment provides essential protection for pond liners by cushioning against sharp rocks, roots, and soil irregularities. This 7.5' x 7.5' sheet creates a stable foundation that extends liner lifespan and prevents punctures that compromise water retention. Engineered for durability in landscape applications, it's ideal for koi ponds, water gardens, and decorative water features. Install underlayment before laying your pond liner for maximum protection and peace of mind.