The average cost to replace an inground pool liner is $3,500-$7,000

Replacing an inground pool liner typically costs $3,500-$7,000, with most homeowners paying around $5,000 for a standard 16'x32' vinyl liner. Factors like pool size, liner material (standard vs. premium), labor rates, and additional repairs (e.g., patching or coping work) influence the final price. DIY installation can cut costs but risks errors.

Key Cost Factors for Pool Liner Replacement

  • Pool Size: Larger pools require more material-expect $1.50-$4.00 per square foot for the liner alone.
  • Liner Type:
    • Standard (20-25 mil): $0.80-$1.50/sq.ft.
    • Premium (28+ mil): $2.00-$4.00/sq.ft. (longer warranty, UV/resistance).
    • Custom Patterns/Designs: Add 20-50% to material costs.
  • Labor: $1,500-$3,500 (includes draining, removal, installation, and refilling).
  • Additional Repairs: Patching holes ($200-$500), replacing coping ($10-$30/linear ft.), or fixing underlayment ($500-$1,500).
  • Water Refill: $50-$200 (municipal water) or $200-$600 (trucked-in water).

Cost Comparison: DIY vs. Professional Installation

Factor DIY Cost Professional Cost Notes
Material (16'x32' pool) $1,200-$2,500 $1,500-$3,000 Pros may include waste allowance (10-15% extra material).
Labor $0 $1,500-$3,500 DIY risks wrinkles, leaks, or voided warranties.
Tools/Equipment $100-$300 Included DIY may need rentals (vacuum, heat gun, utility knife).
Total Estimated Cost $1,300-$2,800 $3,500-$7,000 Pros offer warranties (1-15 years); DIY has no coverage.

Signs You Need a New Pool Liner

  • Visible Damage: Cracks, tears, or fading (especially near steps or corners).
  • Leaks: Losing >2" of water/week (rule out evaporation first).
  • Wrinkles or Stretching: Indicates age (liners last 7-12 years) or poor installation.
  • Stains or Algae Growth: Persistent discoloration despite cleaning.
  • Rough Texture: Feels abrasive-sign of material breakdown.

Steps in the Replacement Process

  1. Drain the Pool: Use a submersible pump (never drain completely if groundwater is high).
  2. Remove Old Liner: Cut into sections for easier disposal (check local regulations).
  3. Inspect & Repair: Check for damage to walls/floor; patch with pool putty if needed.
  4. Install New Liner:
    • Unroll liner in sun to soften (60-70°F ideal).
    • Align carefully-start from deep end.
    • Use a vacuum to remove air pockets.
  5. Refill & Smooth: Fill slowly while adjusting liner to avoid wrinkles.
  6. Reinstall Fittings: Skimmers, returns, and lights (use new gaskets).

Ways to Reduce Costs

  • Off-Season Replacement: Schedule in fall/winter for potential discounts.
  • Bundle Services: Combine with other pool maintenance (e.g., pump repair).
  • Choose Standard Designs: Avoid custom patterns or thick premium liners.
  • DIY Partial Work: Handle draining/cleanup yourself to cut labor hours.
  • Shop Around: Get 3+ quotes; ask about material sourcing (some pros markup liners).

Liner Material Thickness Guide

Thickness (mil) Durability Average Cost/sq.ft. Best For
20-25 5-7 years $0.80-$1.50 Budget-friendly; low-traffic pools.
26-28 8-10 years $1.50-$2.50 Balanced cost/durability; most common.
30+ 10-15 years $2.50-$4.00 High-end pools; extreme climates.