Best Plastic Window Well Covers for Basement Protection
The right plastic window well cover helps keep basements dry, clean, and secure by blocking debris, animals, rain, and snow. This guide reviews top-rated options that fit common basement window wells and explains what to look for when choosing a cover for long-lasting performance and easy upkeep.
| Product | Brand | Key Feature | Approx. Size (W x D) |
|---|---|---|---|
| Window Well Cover Plastic Heavy-Duty | BJFLT | Durable plastic; blocks dirt, debris, small animals | 44″ x 19″ x 15″ |
| “Just Cover It” Basement Window Well Covers Outside Protection | WINDOW WELL SUPPLY | High-strength polycarbonate; UV resistant; built-in back splash | 39″ W x 17″ L |
| PDJHFREK Window Well Cover Round Bubble | PDJHFREK | Economy round bubble; durable white cover | 39″ W x 17″ D x 15″ H |
| 42 in. x 15 in.New Polyethylene Bubble Cover | BJFLT | Lightweight polyethylene; improves insulation | 42″ x 15″ |
| 44 in. x 25 in. x 4 in. Polyethylene Rectangular Cover | BJFLT | Low-profile rectangle; durable plastic | 44″ x 25″ x 4″ |
This article highlights five top options for plastic basement window well covers. Each product section below provides size details, material notes, and installation considerations to help you compare at a glance.
Window Well Cover Plastic Heavy-Duty Clear
This BJFLT cover is designed for basement window wells up to 40 inches long with projection up to 16 inches from the house. Made of durable plastic, it helps keep out dirt, debris, small animals, and precipitation. It is suitable for standard basement egress wells and aims to reduce maintenance by providing a sturdy, weather-resistant barrier.
“Just Cover It” 39″ W x 17″ L Polycarbonate
From WINDOW WELL SUPPLY, this 39″ W x 17″ L cover uses high-strength polycarbonate and includes all necessary hardware. It resists dirt, debris, and harsh weather and features a UV-resistant coating to maintain clarity. A 1-1/2″ built-in backsplash adds rigidity for added protection during storms and wind exposure.
PDJHFREK Round Bubble Economy Cover
This round bubble cover measures 39″ W x 17″ D x 15″ H and ships in a single-pack configuration. The white plastic cover is designed to seal basement window wells, prevent debris intrusion, and maintain accessibility for maintenance tasks as needed. It is manufactured in the United States and emphasizes durability and straightforward installation.
42 in. x 15 in. Polyethylene Bubble Cover
This BJFLT cover uses lightweight polyethylene for durability and ease of handling. It helps keep wells free of debris while contributing to improved basement insulation. The bubble design provides a weather-resistant seal, reducing maintenance needs across varying climates.
“Just Cover It” 39″ W x 16″ L Polycarbonate
Another WINDOW WELL SUPPLY option, this 39″ W x 16″ L cover provides UV-resistant clarity with built-in durability. It features a 1-1/2″ backsplash and rust-free aluminum bracing for exterior protection, ensuring longevity in harsh weather while keeping window wells shielded from debris.
Just Cover It 40″ W x 17″ L Cover
This 40″ W x 17″ L cover from Just Cover It includes UV-resistant polycarbonate with a built-in backsplash and rust-free aluminum bracing. Its design emphasizes long-term clarity and strength to withstand outdoor exposure while maintaining accessible maintenance access for basement windows.
Buying Guide: Key Purchase Considerations
Size and fit are critical: measure the window well opening, depth, and any protruding features to select a cover that sits flush without gaps. Look for covers that align with typical well dimensions, such as 39″ to 44″ widths noted here, to ensure proper coverage and drainage control.
Material matters: polycarbonate offers high impact resistance and clarity, while polyethylene is lighter and often more economical. Plastic covers should be UV-stabilized to resist yellowing and cracking in sun-exposed basements.
Durability and wind resistance: built-in backsplashes and reinforced frames (often aluminum) improve stiffness and withstand wind-driven rain and storm debris. If you live in harsh climates, prioritize UV resistance and splash guards to reduce maintenance needs.
Installation and hardware: some covers include all necessary mounting hardware, reducing setup time and ensuring a secure fit. Check whether the product requires tools or professional installation, especially for heavy-duty models.
Maintenance and accessibility: bubble designs can ease debris shedding and cleaning, but ensure access to the window when needed for emergencies or ventilation. Clear covers allow visibility of the well while keeping it sealed.
Warranty and longevity: verify any warranty terms and expected lifespan under outdoor conditions. Durable polycarbonate and reinforced frames typically offer longer service life in varying weather patterns.