6 Best Pool Covers For Rectangular Pools For Winterizing
Keep your rectangular pool protected this winter. We review the top 6 covers designed to prevent debris, reduce maintenance, and ensure easier spring openings.
Closing your rectangular pool for the winter is the single most important maintenance step you can take to protect your investment and simplify your spring opening. Choosing the right cover acts as a shield against harsh weather, debris, and the inevitable degradation that comes with off-season neglect. Let’s walk through the best options to ensure your backyard oasis stays pristine until the first warm days of spring.
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Why Winterizing Your Rectangular Pool Is Vital
Winterizing isn’t just about putting a tarp over the water; it is a critical preservation process that prevents costly damage to your pool’s structure and plumbing. Without a proper cover, freezing temperatures can lead to cracked tiles, damaged skimmers, and the accumulation of organic matter that turns your water into a swamp.
By sealing your pool correctly, you prevent the buildup of leaves, algae, and wind-blown debris that would otherwise require hours of labor and expensive chemicals to rectify. A solid winterization strategy saves you money on maintenance and ensures the longevity of your pool equipment.
Choosing the Right Material for Your Pool Cover
When selecting a cover, you are essentially choosing between solid vinyl and mesh fabrics. Solid covers are excellent for keeping out sunlight, which is the primary fuel for algae growth, but they require a pump to remove standing water that collects on top.
Mesh covers, on the other hand, allow water to drain through while catching debris, making them lighter and easier to handle. However, because they allow sunlight and fine silt to pass through, you may need to open your pool earlier in the spring to combat potential algae blooms.
Safety Features to Look for in Winter Covers
Safety is non-negotiable, especially if you have children or pets in the household. A standard winter tarp offers no protection against accidental falls, so investing in a true safety cover is the only way to ensure peace of mind.
Look for covers that are ASTM-certified, meaning they have undergone rigorous testing to support specific weight thresholds. These covers are anchored directly into the pool deck, creating a taut, impenetrable barrier that prevents anyone from slipping beneath the surface.
Blue Wave Bronze 8-Year Rectangular Pool Cover
Protect your in-ground pool during the winter with the Blue Wave BWC752 Bronze 8-Year Pool Cover. Fits 20x40 ft pools, in stylish dark navy blue.
The Blue Wave Bronze is a fantastic entry-level choice for those who want a reliable, no-frills solution. It is made from a durable polyethylene material that is lightweight enough for one person to handle, yet tough enough to withstand a standard winter season.
This cover is ideal for the budget-conscious owner who doesn’t need the heavy-duty features of a safety cover but still wants to keep leaves and dirt out. If you are looking for an affordable way to protect your pool without overcomplicating your winter shutdown, this is your go-to.
Pool Mate Sandstone Heavy-Duty Winter Cover
If you live in an area with heavy snowfall or high winds, the Pool Mate Sandstone is a significant step up in durability. The heavy-duty weave is designed to resist tears and punctures, providing a much higher level of protection than basic covers.
Its sandstone color also helps it blend into the surrounding deck area, making it a more aesthetic choice for your backyard. I recommend this for anyone who wants a "set it and forget it" cover that won’t require constant patching throughout the winter months.
GLI 8-Year Rectangular Mesh Safety Cover
The GLI 8-Year Mesh is the perfect bridge between a standard tarp and a high-end custom safety cover. Because it is made of high-quality mesh, it won’t collect heavy pools of water, which significantly reduces the stress on your pool’s coping and deck anchors.
This is a smart investment for owners who prioritize safety but want to avoid the hassle of managing a heavy solid cover. You get the peace of mind of a certified safety product without the weight, making it a top-tier choice for most rectangular pools.
Loop-Loc Ultra-Loc II Solid Safety Cover
When you need the absolute gold standard in protection, the Loop-Loc Ultra-Loc II is the industry leader. It is a solid safety cover that blocks 100% of sunlight, ensuring that when you pull it back in the spring, your water is as clear as the day you closed it.
This cover is an investment, but it pays for itself by eliminating the need for expensive "spring opening" chemical kits. If you want the ultimate protection and have the budget to match, this is the only cover I would suggest for a premium rectangular pool.
Anchor Industries Custom Mesh Winter Cover
Anchor Industries specializes in precision, and their custom mesh covers are designed to fit your rectangular pool like a glove. Because these are made-to-measure, you won’t have to deal with loose edges or awkward gaps where debris can sneak in.
These covers are incredibly robust and built to last for many years of heavy use. This is the right choice for the homeowner who values a perfect, professional fit and wants a cover that is engineered specifically for their pool’s unique dimensions.
HPI Rectangular Above Ground Winter Cover
For those with above-ground rectangular pools, the HPI cover is a reliable, straightforward option that gets the job done. It features a heavy-duty cable and winch system that ensures a tight fit around the perimeter, keeping the cover secure even during gusty winter storms.
It is simple to install and provides excellent protection against the elements at a very competitive price point. If you have an above-ground setup and want a durable cover that is easy to manage, look no further than this model.
Tips for Installing Your New Pool Cover Properly
- Clean the Deck First: Clear away any sharp rocks or branches near the pool edge to prevent accidental tears during installation.
- Use Water Bags Strategically: If using a non-safety cover, ensure your water bags are filled only 75% to allow for expansion if the water freezes.
- Tension is Key: Whether using anchors or bags, ensure the cover is pulled taut; a loose cover will flap in the wind, leading to premature wear and tear.
- Check Regularly: Even the best cover needs a quick inspection after a major storm to ensure anchors are tight and debris hasn’t accumulated in one spot.
Winterizing your rectangular pool is a commitment to the longevity and health of your water. By selecting the right cover for your specific climate and safety needs, you are setting yourself up for a stress-free spring. Take the time to install it correctly, and you will be rewarded with a clean, clear pool the moment the weather turns warm.
