UIRWAY 21FT Round Pool Liner Pad for Above Ground Pools, [2026 New Pool Pad 300G/M² Thicker] Puncture Proof Heavy Duty Pool Ground Mat Under Pool Pad, Pools Bottom Liner Protector, Extend Liner Life - size: Round-21ft

About this item

• Premium 300GSM High-Density Geotextile for Superior Puncture & Abrasion Resistance — Engineered at 300 grams per square meter (50% thicker than common 200GSM pads), this heavy-duty black pad creates a robust cushioning barrier against rocks, roots, sharp debris, and uneven terrain — helps significantly reduce liner punctures and tears, 2-3x longer liner lifespan compared to thinner felt alternatives.
• Pre-Cut Seamless Fit — No Cutting, No Tools, Instant Installation — Precisely pre-sized for standard round above-ground pools, perfect fit for Intex, Bestway, Summer Waves frames. Featuring a seamless one-piece design without a center seam, our liner pads create a smooth, even surface, delivering premium comfort and a luxurious underfoot sensation for every step in the pool.
• Durable Ground Protection & Weed Barrier — UIRWAY Thicker Pool Liner Pad features a soft, smooth black surface compatible with grass, gravel, concrete, dirt, and patios; the dense geotextile acts as an effective weed barrier to help minimize weed growth underneath while providing reliable ground separation and supporting long-term base stability and pool liner protection.
• Heat Insulation & Thermal Retention for Faster Warm-Up — In the heat of summer, exclusive black color efficiently absorbs solar heat, helping warm pool water 2-5°F quicker than reflective white/gray competitors, while maintaining even temperature distribution across the pool floor for enhanced swimming comfort.
• Extra Large Size Coverage & Family-Friendly Durability — This 21 foot pool liner size designed for spacious backyard pools and frequent group activities; the reinforced high-density structure helps resist compression from high water weight and everyday outdoor conditions without bunching or shifting — great for large families prioritizing durability and enhanced protection.