3 Best Covers for Poolside, Compared

Quick picks

The best fit for you

• You have a 21-foot round above-ground pool UIRWAY 21 ft Round 500D Pool Cover Its 21-foot round size matches your pool dimensions for proper coverage.
• You need to retain heat in a large rectangular pool VEVOR 40 x 20 ft Solar Pool Cover The 16 Mil thickness helps retain water heat for your 40 by 20 foot pool.
• You own a 24-foot round above-ground pool Planenfux 24 ft Round All-Season Pool Cover Its 24-foot round size fits your pool and includes a secure winch system.

Our 3 picks

1 Best overall

UIRWAY 21 ft Round 500D Pool Cover

Best for: 21ft round temporary above-ground pools

Use

Poolside, Above Ground Pools (what this guide is about)

Cover Type

Flat, sheet-style cover

Shape

Round

Dimensions

21 ft

Shell Material

High-density 500D fabric

Fastening Method

Gel-coated straps, dual drawstrings

View on Amazon: UIRWAY 21 ft Round 500D Pool Cover Affiliate link

This 21-foot round pool cover is built from 500D fabric with a 780N tear strength. It blocks 99.9% of UV rays and reduces water evaporation by 90%. The design includes triple windproof straps and reflective strips for safety. It suits owners of temporary above-ground pools who need durable, seasonal protection against weather and debris.

Pros

• 780N tear strength with reinforced double stitching
• Triple windproof design with gel-coated anti-slip straps
• UPF50+ protection blocking 99.9% of UV rays
• Reflective strips enhance nighttime visibility

Cons

• Flat sheet style does not seal around permanent fixtures
• Not suited for pools surrounded by a deck
• Requires manual adjustment of drawstrings and straps

Good fit if

• You have a 21-foot round above-ground pool
• You need heavy-duty protection for seasonal use
• You want enhanced visibility with reflective strips

Skip if

• You have a permanently installed pool with fixtures
• Your pool is surrounded by a deck
• You need a cover for an oval or rectangular pool

Verdict: UIRWAY 21ft Round 500D Pool Cover offers robust durability for temporary above-ground pools. It is the right choice for owners of 21-foot round pools who prioritize wind resistance and UV protection over a sealed fit.

2 Best budget

VEVOR 40 x 20 ft Solar Pool Cover

Best for: Large rectangular pools needing heat retention

Use

Poolside, Above Ground Pools, Inground Pools (what this guide is about)

Cover Type

Solar blanket

Shape

Rectangle

Dimensions

40 x 20 ft

Thickness

16 Mil

Features

Pool Cover

View on Amazon: VEVOR 40 x 20 ft Solar Pool Cover Affiliate link

This VEVOR solar cover is a 40 by 20 foot rectangle made from 16 mil thick polyethylene. The blue surface absorbs heat to raise water temperature by 8 to 15 degrees Celsius. The closed bubble design blocks 95% of evaporation and keeps debris out. It weighs 59.1 pounds and fits poolside use. You can cut it to match your pool shape. It suits large rectangular pools needing heat retention.

Pros

• 16 mil thick PE material resists tearing and fading
• Reduces water evaporation by up to 95%
• Increases water temperature by 8 to 15 degrees Celsius
• Can be cut to fit any pool shape

Cons

• Heavy at 59.1 pounds
• Only suitable for chlorine levels below 2.5 ppm
• Requires pH levels above 7.2

Good fit if

• You have a large rectangular pool around 40 by 20 feet
• You want to extend your swimming season with heat absorption
• You need a cover that can be trimmed for a custom fit

Skip if

• You have a round or irregularly shaped pool
• Your pool water has high chlorine levels above 2.5 ppm
• You prefer a lightweight cover under 50 pounds

Verdict: VEVOR 40 x 20 ft 16 Mil Solar Pool Cover is a durable option for large rectangular pools. It helps you save water and heat, but you must manage water chemistry carefully.

3 Also great

Planenfux 24 ft Round All-Season Pool Cover

Best for: 24 ft round above-ground pools

Use

Poolside, Above Ground Pools (what this guide is about)

Cover Type

Winter pool cover

Shape

Round

Dimensions

24 ft

Shell Material

Polyethylene

Fastening Method

Winch and cable

View on Amazon: Planenfux 24 ft Round All-Season Pool Cover Affiliate link

This Planenfux cover fits 24-foot round above-ground pools. It uses a 200 g/m² polyethylene shell with a 14×14 ripstop scrim for tear resistance. The 2-in-1 design flips between blue for winter UV reflection and black for summer solar heating. An aluminum winch and steel cable secure it against high winds. It operates from -40°F to 160°F. This all-season cover replaces separate winter and solar blankets.

Pros

• 200 g/m² polyethylene shell with 14×14 ripstop scrim
• SmartSide 2-in-1 design for winter and summer use
• Aluminum winch and 3 mm steel cable tightening system
• Operates from -40°F to 160°F

Cons

• Only available in blue color
• Weight of 24.1 pounds may be heavy for some users
• Specific to 24 ft round pools only

Good fit if

• You have a 24-foot round above-ground pool
• You want a single cover for both winter and summer
• You need secure fastening against high winds

Skip if

• You have a rectangular or square pool
• You prefer a cover in a color other than blue
• You need a cover for an in-ground pool

Verdict: Planenfux 24 ft Round Winter Pool Cover offers a durable, all-season solution for 24-foot round above-ground pools. Its 2-in-1 design and secure winch system make it ideal for owners seeking year-round protection without managing multiple covers.

Specifications side by side

Key Specs to Check First

1. Match the Shape

   You must choose a cover that matches your pool’s geometry. Round pools require round covers, while rectangular pools need rectangular sheets. The UIRWAY 21 ft Round 500D Pool Cover fits 21-foot round pools perfectly. Using the wrong shape leaves gaps where debris enters or heat escapes. Verify the shape before comparing sizes. A round cover on a rectangular pool will not seal properly. Ensure the geometry aligns with your pool’s physical structure for effective protection.

2. Verify the Dimensions

   Check the listed length and width against your pool. The VEVOR 40 x 20 ft Solar Pool Cover is designed for large rectangular spaces. Its 40-inch length and 20-inch width specifications indicate a substantial surface area. Measure your pool accurately to ensure the cover extends over the edges. If the dimensions are too small, the cover will not provide adequate protection. If they are too large, it may be difficult to secure. Precision in measurement prevents costly returns and ensures proper fit.

3. Consider Material Thickness

   Material thickness impacts durability and heat retention. The VEVOR 40 x 20 ft Solar Pool Cover features a 16 Mil thickness. Thicker materials generally offer better resistance to wear and tear. They also help retain water heat more effectively. The Planenfux 24 ft Round All-Season Pool Cover uses a durable design for year-round use. Check the mil rating or material grade. Thicker covers withstand harsh weather better. This spec is critical for long-term value and performance in varying conditions.

4. Check Weight Capacity

   The weight of the cover affects handling and support. The VEVOR 40 x 20 ft Solar Pool Cover weighs 59.1 pounds. Heavier covers may require more effort to install and remove. The Planenfux 24 ft Round All-Season Pool Cover weighs 24.1 pounds, making it lighter to manage. Consider your physical ability to handle the weight. A lighter cover is easier to fold and store. A heavier cover might offer more robust protection. Evaluate the weight spec to ensure it suits your strength and storage needs.

5. Look for Secure Systems

   Some covers include features for secure attachment. The Planenfux 24 ft Round All-Season Pool Cover features a secure winch system. This system helps keep the cover in place during wind or storms. Check if the cover includes anchors, straps, or winches. These features prevent the cover from shifting or blowing away. The UIRWAY 21 ft Round 500D Pool Cover prioritizes wind resistance. Evaluate the attachment method to ensure it meets your security requirements for the poolside area.

Frequently asked questions

See also

• best hot tubs under 500
• best hot tubs under 1000
• best sofas for poolside
• best grills with cover