20' x 40' Rectangle Ultra-Loc III Solid Gray with Drain Panels In-Ground Pool Safety Cover
Best safety solution for rectangular pool owners needing debris-free winter protection.
Secure your in-ground pool with the LOOP-LOC Ultra-Loc III Solid Safety Cover. This innovative cover combines complete debris blockage with rapid water drainage through integrated panels. Engineered for a 20' x 40' rectangular pool with a 4' x 8' center end step cutout, it offers superior safety. The cover meets and exceeds ASTM standards and holds the U.L. seal of approval. Backed by a 15-year pro-rated warranty, it provides long-term peace of mind and a tight, attractive appearance year after year.
$255.25
Owner Satisfaction
4.7
/ 5
Category Rank
15
/ 1138
#15 in Pool Covers & Ground Cloths
Price vs Category Average
-49%
Below average
Size
2040
/ ' x ' Rectangle
Who it's for
- Parents and pet owners prioritizing maximum safety and security
- Homeowners wanting to avoid manual water removal tasks
- Pool owners seeking pristine water and minimal spring cleaning
Who should skip it
- Budget-conscious shoppers looking for more affordable winterization options
- Pool owners who demand completely debris-free water after storms
- Individuals preferring lightweight covers for easy seasonal handling
Performance breakdown
Safety Compliance
Exceeds rigorous ASTM standards for total peace of mind.
Debris Filtration
Solid barrier construction keeps even the smallest particles out.
Drainage Efficiency
Integrated mesh panels prevent standing water without sacrificing protection.
Material Durability
Heavy-duty vinyl build ensures longevity through harsh seasonal cycles.
Fit Precision
Custom-engineered design provides a taut, professional look every time.
Warranty Coverage
Fifteen-year pro-rated protection offers reliable long-term investment security.
Key Specs
Size
20' x 40' Rectangle
Step Configuration
4' x 8' Center End Step
Material
Ultra-Loc III Solid with Drain Panels
Color
Solid Gray
Warranty
15-year pro-rated
Certifications
Meets ASTM F 1346-91 standards, U.L. Approved
Pool Type Compatibility
In-Ground
Material
Vinyl
Features
- Blocks debris while allowing water drainage
- Integrated, invisible mesh drainage panels
- Exceeds safety standards and U.L. approved
- Ensures a perfect, custom fit
- Maintains a tight, attractive appearance
- Backed by a 15-year pro-rated warranty
What customers say
Customers view the Loop-Loc Ultra-Loc III as a premium investment, primarily valuing its robust safety and exceptional durability. The solid gray material effectively blocks all debris, maintaining pristine water quality. Drain panels offer a necessary solution for water management, though occasional clearing is sometimes needed. Reviewers agree the high initial cost is justified by the cover's longevity and ability to withstand harsh winter conditions. While the large size presents a logistical challenge during installation, this trade-off is accepted for superior protection. The consensus is that this cover delivers outstanding performance and long-term value, making it the gold standard for pool safety.
Know before you buy
The cover features integrated, invisible mesh panels that act as a filter. These panels allow rainwater to pass through into the pool while preventing leaves, dirt, and other debris from entering.
Yes, the Ultra-Loc III meets or exceeds ASTM F 1346-91 safety standards and carries the U.L. seal of approval, ensuring it is designed to prevent accidental entry into the pool.
This specific model is engineered for a 20' x 40' rectangular pool with a 4' x 8' center end step cutout. If your step configuration differs from these exact dimensions, this cover will not provide the necessary secure fit.
The 15-year pro-rated warranty provides long-term coverage against manufacturing defects. It offers peace of mind by ensuring the material quality is backed by the manufacturer over the expected lifespan of the cover.
The cover is designed for manual placement and is intended to be pulled taut across the pool deck. While the installation process is straightforward, it requires proper anchoring to ensure the cover remains tight and secure throughout the off-season.
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