Navigating the many Best 18 Ft Round Pool Cover options on the market – from major brands like Winter Block,Shop Square,QH.HOME,POOLACC,SUMMERBUDDY,GuardKove to lesser-known names – can feel overwhelming. But we’re here to help simplify your search for the best products.
After extensive research testing hundreds of Best 18 Ft Round Pool Cover, we’ve selected the top contenders. Our number one recommendation is Winter Block Best 18 Ft Round Pool Cover based on its stellar performance and quality. Below you’ll find more of our top-rated picks for the best Best 18 Ft Round Pool Cover currently available.
Be sure to consult our handy buying guide as well for expert tips on choosing the right Best 18 Ft Round Pool Cover to suit your individual needs. It has all the crucial information you need to make an informed purchasing decision. With our guidance backing your choice, finding your perfect match will be smooth sailing!
Editor's Choice
Winter Block 18’ ft. Round Pool Winter Cover for Above Ground Pools - 8-Year Warranty, Cold and UV
Premium Pick
18 ft Round Pool Cover for Above Ground Pools, Above Ground Pool Cover, Swimming Pool Cover, Winter
Budget Pick
QH.HOME Winter Round Pool Cover for 18 Ft Bestway/Intex/Coleman Frame Above Ground Pool, [Excellent
Top 10 Best 18 Ft Round Pool Cover
We researched and compared the top products in the Best 18 Ft Round Pool Cover category to provide you with these recommendations.
1. Winter Block 18’ ft. Round Pool Winter Cover for Above Ground Pools - 8-Year Warranty, Cold and UV
- PREMIUM WINTER POOL COVER Thicker and more durable than the regular winter pool covers, this cover will keep your aboveground pool in good condition during the cold winter months and make it easier to get the pool back in shape in the spring
- EASY TO INSTALL This lightweight, yet durable winterizing pool cover is easy to install. It comes with perimeter grommets, steel cable and winch so its ready for install right out of the box
- DURABLE CONSTRUCTION - This aboveground pool winter cover is treated for resistance to damaging sunrays. Its made of premium laminated polyethylene sheeting woven with thick 8x8 scrim, high-density polyethylene stitching for superior tensile strength & durability
- KEEPS OUT DEBRIS Designed to keep out debris, rainwater and melted snow, you can rest assured that next summer your pool will be ready for another season of family fun! This pool cover up is extremely durable to withstand even the harshest winters
- FITS 18 ROUND POOL This Winter Block Winter Pool Cover measures 21 in diameter to fit a 18 round pool without any issues
2. 18 ft Round Pool Cover for Above Ground Pools, Above Ground Pool Cover, Swimming Pool Cover, Winter
- Extra Durable Construction: Our above ground pool covers are made of supreme mesh material with an industry-leading polyethylene scrim and coating, ensuring exceptional strength and resilience. Built to withstand harsh winter conditions, they provide unparalleled durability for reliable protection throughout the season.
- Ultimate Winter Protection: Experience the best winter pool cover that shields your pool from precipitation, debris, and even heavy snowfall. With its robust construction, this cover is engineered to endure extreme cold as low as 10 F (25 C), ensuring your pool remains immaculate and ready for use when the weather warms up.
- Year-Round Sun and UV Protection: Our pool cover is designed to provide exceptional protection against sunlight and harmful UV rays, not just during the summer but also throughout the winter months. The cover also features heat sealed seams.
- Effortless Installation: Includes clear and comprehensive installation instructions, making the process quick and easy. Additionally, we provide a heavy-duty, vinyl-coated cable and tightening winch, secured by rip-proof metal grommets spaced 30 inches apart, ensuring a secure and snug fit for optimal protection of your pool.
- Ideal Fit: Custom-made to perfectly cover 18 ft round above ground pools with a 3-foot overlap, providing full protection and coverage.
3. QH.HOME Winter Round Pool Cover for 18 Ft Bestway/Intex/Coleman Frame Above Ground Pool, [Excellent
- Pay attention to choose the right sizeQH.HOME 18ft pool cover is designed for 18ft metal frame pool by default, if you have an 18ft steel wall pool please choose 21ft metal frame pool (the reason is that the width of the outer edge of the steel wall round pool is increased by 6-10 inches, and the required size is larger, please refer to the size comparison chart)
- Exclusive Patented Triple Windproof Design double insurance reinforcement of ratchet rope system + segmented drawstring, adjustable tension segment by segment, fits perfectly to the curvature of round pool edges, and with the pool cover edge load-bearing hanging loop (for hanging sandbags/heavy objects), it can withstand strong winds of more than 100 miles per hour.
- Upgraded Tear Resistant DesignThe edges of our round pool cover are designed with a lay-flat seamless design (no risk of edge cracking compared to traditional double stitching). Upgraded 500D Oxford fabric has a tear strength of 330 lbs (lab test), which increases the durability by 3 times, far more than 420D/210D fabrics, ensuring the pool cover is stable for long-term use.
- Always Keep Pool Water Clean This pool cover is made of upgraded 500D high quality waterproof material, with waterproof sealing strips on all the top seams, which effectively blocks rainwater from seeping in and pool water from overflowing, keeps dirt and leaves away from the water, makes the pool water cleaner, reduces the number of times you need to clean and the use of chemicals, lowers the cost of maintenance, and saves you money and effort.
- UV Protection&Insulation PU-coated 500D fabric blocks 99% of UV rays (UPF50+ certified), protecting the pool water and cover from sun damage and preventing algae growth. Black fabric absorbs heat to raise water temperature by 8-12 degrees Fahrenheit during the day while reducing nighttime heat loss by 95% - dual-mode climate control that outperforms silver-coated pool covers.
- Safer & Eco-Friendly MaterialOur pool cover is certified by Amazon Climate Friendly, made of odorless and environmentally friendly PU transparent material, which is safe to use even in hot environments, won't melt or leave black residue, and is safer and more environmentally friendly than silver coated material. Let you and your family enjoy the whole summer.
4. POOLACC Pool Covers for Above Ground Pools - 18 ft Round Winter Pool Cover, Extra Durable Cold- and
- Superior Zinc-Alloy Winch: Upgraded from aluminum, our zinc-alloy winch offers superior strength and corrosion resistance. It significantly reduces breakage risk, even under heavy snow load
- Heavy-Duty Material: Constructed with a robust 185 GSM density and 1414 scrim matrix, this cover resists punctures and tears. Fully sealed seams keep debris and dirt out all winter
- UV & Extreme Temperature Protection: The LDPE-coated surface and black underside block UV rays. Withstands temperatures from -10F to 180F for all-season reliability
- Secure Fit with Steel Cable & Reinforced Grommets: Equipped with a steel-core cable and reinforced grommets, the cover stays firmly in place. The upgraded winch ensures smooth tightening, offering maximum snow resistance
- Accessories Included: Our pool cover kit comes with a skimmer sponge, 2 pool plugs and a removal tool. While our cover is durable enough, for complete winterization we highly recommend using it with our Pool Pillow (sold separately). The pillow absorbs destructive ice expansion pressure, while the cover keeps out debris. Together, they provide the ultimate defense for your pool investment
5. 18 FT Round Pool Cover, [ 2025 Upgraded ] Above Ground Pool Cover, Heavy Duty Winter Pool Cover,
![18 FT Round Pool Cover, [ 2025 Upgraded ] Above Ground Pool Cover, Heavy Duty Winter Pool Cover,](https://m.media-amazon.com/images/I/418pWiuavHL._SL500_.jpg)
- Enhanced Fastening SystemBuilt with a reinforced dual-layer fastening system, including an abrasion-resistant rope and heavy-duty cable, our winter pool cover ensures long-lasting performance. The rust-proof pulley system resists wear and tear, offering a secure, tight fit that stands strong against winter storms and high winds.
- Cold-Resistant PE ProtectionCrafted from premium extra-thick polyethylene fabric, this cover resists rips and tears even in extreme weather. Designed to endure temperatures as low as -10F (-25C), it shields your above-ground pool from snow, rain, and debris all winter longkeeping your pool clean and protected with minimal effort.
- Pull to Fit, No SweatThe innovative pulley design allows you to easily adjust the round pool cover with a simple pull, making installation fast, easy, and hassle-free.
- Smart Sizing DesignIncludes a clear, illustrated guide for quick setup. Each size offers a 3-foot overlap for flexible fit, with a vinyl-coated cable and pulley secured through durable grommets for added stability.
- UV Shield, Water SaverEngineered with UV-resistant coating and waterproof sealing, this pool cover minimizes water evaporation by up to 90%helping you maintain consistent water levels while preventing sun damage to your pool. Spend less time refilling and more time enjoying a worry-free winter.
6. 18Ft Round Pool Cover [2025 Upgraded Super Windproof] -Winter Pool Covers for Above Ground Framed
![18Ft Round Pool Cover [2025 Upgraded Super Windproof] -Winter Pool Covers for Above Ground Framed](https://m.media-amazon.com/images/I/51V1TKu+7rL._SL500_.jpg)
- Choose the Correct Size Before Purchase This 18 ft pool cover is specifically designed for 18FT round framed swimming pools, . The actual diameter is 218 inchesbe sure to measure the outer edge of your pool before purchasing. If theres any quality issue, a free replacement or refund is available. A reliable pool cover that protects your investment.
- Triple Windproof Design - Withstands 100 MPH Winds This above ground pool cover features a triple windproof system: 18 reinforced hook-and-loop straps, an upgraded tightening ratchet cord, and 6 threaded ground nails. These work together to keep the cover secure in winds over 100 mph. Even in storms, this pool cover for above ground pools stays firmly in place to protect your pool.
- One-Piece Strong Tear-Resistant Design Our round pool cover features a one-piece seamless edge design that eliminates weak stitching points and uses upgraded 500D tear-resistant Oxford fabric with a lab-tested tear strength of 300 lbsmaking it 2 times more durable than standard 420D or 210D covers and ensuring long-term stability against wind, water pressure, and daily wear.
- 100% Waterproof Keeps Water Clean & Clear This swimming pool cover features high-quality waterproof material and a sealed top seam that blocks rainwater and prevents overflow. It keeps out leaves, dust, and debris, reduces cleaning frequency, and helps cut down on chemical usesaving time, water, and maintenance effort.
- All-Weather & UV Protection Crafted from UPF 50+ sun-resistant fabric, this above ground pool cover blocks 99.99% of harmful UV rays and resists fading for up to 2 years. Built to endure temperatures from -25F to 240F, it serves as a year-round winter pool cover and summer sun shieldcutting replacement costs and extending pool life.
- Eco-Friendly PU Material - Safe for Kids & Pets Made of odorless, eco-friendly PU thats free from harmful chemicals, this pool cover for above ground pools is safer and more eco-friendly than traditional PVC and ideal for homes with children or pets. Easy to install and stays firmly in place for year-round peace of mind.
- Heat Retention & Energy Efficiency This winter pool cover uses a black, heat-absorbing surface to raise water temperature by 515F during the day and reduce over 80% of heat loss at night. It also cuts 95% water evaporation and reduces chemical loss by 70%, helping to conserve water, lower energy costs, and extend chemical life.
7. Robelle 18 ft Commercial Teal Winter Pool Cover for Above Ground Pools, 4 ft Overlap (22 ft Cover
- Commercial winter pool cover for 18 ft. round pools. This pool cover has a 4 foot overlap, which is the material included beyond the pool size, making this pool cover easier to install. Since 1973 Robelle has been offering the best pool covers for pool owners. This cover has twice as much overlap as other brands, making it the easiest pool cover to install. Including overlap, the cover size is: 22 feet. Includes winch and cable for easy installation.
- This Commercial pool cover is constructed with commercial polyethylene that weighs 3.7 ounces per square yard (125 grams per square meter). The material is woven with a 12 x 12 scrim. Scrim is the number of threads per square inch. Material weight and scrim are the best indicators of the overall durability and expected longevity of your pool cover.
- With over 50 years of experience, Robelle has designed this Commercial winter pool cover with an exceptional focus on quality for this season and years to come. Constructed 85% heavier than industry standard. Backed by a 18-Year Warranty that is the best in the industry. We are real swimming pool experts that are here to help with all of your swimming pool needs.
- This is a solid winter pool cover that will not allow water to pass through. More pool owners have trusted Robelle for their pool closing needs than any other brand. Exceed your expectations when you choose a Robelle brand pool cover.
- This pool cover will protect your pool from winter elements throughout the offseason. Designed for superior protection against snow and ice.
- Use the included winch and cable to secure the cover through the grommets. This pool cover is designed for optimal performance in high wind areas.
- For pools with decks, install on top of the deck using vinyl water weights, placing them on top of the cover. For pool with partial decks, use water weights on the deck and use the winch and cable around the perimeter running the cable under the deck if possible.
- Cover should be able to float loosely on the water, consider going up a pool size if you have large top rails.
- Ice equalizer pillow sold separately
8. LXKCKJ 18 Ft Round Pool Cover, Solar Pool Covers for Above Ground Pools, Winter Pool Cover Protector
- Enhanced Weather ArmorEngineered for extreme conditions, our heavy-duty winter pool cover withstands 100mph typhoon winds & 12,000Pa water pressure loads. Featuring 800N tear-resistant reinforced edges and High density technology stitching, it creates an impenetrable shield against leaves, rain,snow enters the pool. Keep your above ground pool pristine through brutal winters.
- Fortified 4-Layer PE DefenseOur winter pool covers with 2X-thickened PE fabric boasting UPF 50+ sun protection. The ultra-dense weave prevents stretching, freezing damage, and UV degradation while blocking of light to preventing UV damage to pools. Verified 3-season durability no more annual replacements!
- All-In-One Secure Fit SystemConquer installation stress with our upgraded anti-collapse kit: upgrade ground studs+thick rope lock the cover taut. Reinforced metal pull ringand stitching anchor reinforcement ensure that the cover remains stable in extreme environments Tip: If your pool is in an environment that is not suitable for using floor studs, you can use ropes to tie heavy objects to stabilize the pool cover.
- Universal CompatibilityGreat for both round inflatable pool or metal framed pools with size 18ft .Our premium weather protective pool cover has universal compatibility for appropriately sized round patio furniture table and round stock tank.It can also be folded and placed without taking up space.
- After-Sales ServiceIn order not to affect your shopping experience, you need to determine the size of your above ground pool before purchasing.If you encounter any problems when using the pool tarp, We will help you solve your problems as soon as possible,UNTIL THE CUSTOMER IS SATISFIED .
9. SAFANA 18FT Winter Pool Covers for Above Ground Pools, Round Swimming Pool Cover [Upgrade 420D
- Upgraded 420D Durable MaterialThe latest 420D high-quality Oxford cloth is super tear-resistant and perfectly withstands severe weather conditions such as strong wind and heavy rain. Prevent leaves, dust, debris, etc. from entering the above ground pool, enjoy clean pool water for a long time. The back is coated with PU silver, which has super waterproof and UV protection performance, not easy to age. It can also protect the pool components well and extend the service life.
- Full Windproof Accessory SetTo enhance the windproof effect, we have developed a set of parts: 1. Widened Rubber Band Seal. It can shrink seal automatically, very convenient to install and disassemble, just pull it open and put it on. 2. Hook and Loop Fastener Set. One side is adhesive backing, attached to the column. The other side is nylon straps, fix the cover to column. 3. Elastic Support Rope. Put it on the diagonal, support the winter pool cover not to collapse or stick to water surface.
- Easy InstallationNo professional skills required, Just put the round winter pool cover on the swimming pool, fix the ropes properly, installation and removal become effortless tasks, you can easily take it off the swimming pool for cleaning or replacing the water, saving time and effort.
- Energy Conservation and InsulationThe silver-coated thickened material has excellent heat preservation performance, effectively reduces water evaporation, saves energy costs, environmentally friendly and economical solution for swimming pool.
- Wide ApplicationCompatible with frame swimming pools and hard-wall pools. Please measure the maximum outer diameter of the swimming pool before order to choose correct size. Especially for hard-wall pools, which have a wider outer edge, please include the wide edge when measuring; or you can also choose a larger one. Also can be used for hot tubs, stock tank pool, round trampolines, etc.
10. Blue Wave Silver 12-Year 18 ft Round Above Ground Pool Cover for Winter – Durable &
- 12-YEAR ROUND WINTER POOL COVER Designed for round above-ground pools, this round pool cover offers long-term seasonal protection. Polyethylene construction and a 10x10 scrim provide a tough barrier against snow, sunlight & debris.
- PROTECTS POOL FROM SUN, SNOW & DEBRIS The solid design of this swimming pool cover blocks leaves, dirt, and debris. Its black underside helps minimize algae growth by preventing sunlight exposure, keeping the water cleaner off-season.
- DURABLE MATERIALS & HEAT-SEALED SEAMS Made with premium polyethylene and reinforced heat-sealed seams, this winter cover for above ground pool is built to endure harsh winter conditions, resist tearing, and deliver performance for years.
- 4-FT OVERLAP FOR A SECURE FIT The overlap design allows the pool winter cover to be securely fastened while minimizing stretching. Metal grommets are placed every 2 ft. for balanced tension with a cable and locking winch to keep the cover in place.
- MULTIPLE SIZES AVAILABLE, WARRANTY INCLUDED Offered in sizes from 12-ft to 30-ft round. Each pool cover includes a heavy-duty vinyl-coated cable and metal winch and is backed by a 12-year limited warranty for peace of mind.
- Pool size: 18 feet round
- Cover size: 22 feet round
- Protects against sun, snow, ice and wind
- 4-feet overlap to fit most top rails
- Heavy duty cable and winch tightener included
Peter
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