18' x 36' Oval Solid Blue Above Ground Pool Liner – 48"/52" Expandable Depth | Heavy-Duty Vinyl

Key Features

• Expandable Depth Design: Accommodates pool depths up to 72" for deep swimming areas or deep centers.
• Heavy-Gauge Vinyl Construction: Durable, long-lasting material resists punctures, UV damage, and chemical wear.
• Solid Blue Finish: Clean, classic look that enhances water color and creates a timeless backyard aesthetic.
• Perfect Fit for 48" or 52" Walls: Designed to stretch and fit most oval above ground pools with expandable bottoms.
• Seam-Welded for Strength: High-quality lap seams reduce risk of tearing and extend liner life.

Product Overview

Upgrade your pool with the 18' x 36' Oval Expandable Solid Blue Pool Liner, designed to bring strength and simplicity to your above ground pool setup. Built from heavy-duty vinyl and engineered for expandable depths, this liner can adapt to accommodate pools up to 72" deep. The solid blue design offers a sleek and classic appearance, while high-frequency welded seams provide reliable durability for multiple seasons of use.

Specifications

• Size: 18 feet x 36 feet oval
• Wall Height Compatibility: 48" or 52" above ground pool walls
• Expandable Depth: Up to 72 inches (6 feet)
• Style: Solid Blue
• Material: High-strength virgin vinyl
• Installation Type: Overlap
• Seam Type: Double-welded lap seams
• UV Protection: Yes – resists sun fading

What’s Included

• 1 x 18' x 36' Oval Solid Blue Expandable Pool Liner
• Installation instructions
• *Coping strips and wall foam sold separately

Why Buy From Best Buy Pool Supply?

• Top-quality pool liners at unbeatable prices
• Fast shipping with tracking and insurance
• No sales tax outside Massachusetts
• Knowledgeable staff available to verify fit and installation tips

Shipping & Returns

• Shipping: Usually ships within 1–2 business days
• Returns: 30-day return policy on unopened/unused liners

Need Help Measuring or Installing?

Call our pool liner experts at (800) 877-1268 or contact us here. We’ll help you make sure you’re getting the right fit and style for your pool shape and depth.