Best Metal Window Well Covers: Strong, Safe, and Sunlight Friendly Options
Choosing a window well cover involves balancing safety, durability, and light entry. This guide highlights top options that protect basements while still letting natural light in. While metal window well covers are known for strength, many exterior covers use polycarbonate for visibility. Below, you’ll find five recommended products, including metal models and sturdy alternatives, with key features to help you compare performance, installation, and long-term value.
| Product | Brand | Material Type | Size (W x D) |
|---|---|---|---|
| Adjust-A-Grate Window Well Grate – L9 | Adjust-A-Grate | Tempered Aluminum (Metal) | 45″–60″ W x 34″–37″ D |
| Adjust-A-Grate Window Well Grate – L6 | Adjust-A-Grate | Tempered Aluminum (Metal) | 45″–60″ W x 22″–25″ D |
| “Just Cover It” Basement Window Well Covers Outside Protection 39″ W x 16″ L | WINDOW WELL SUPPLY | Polycarbonate (Clear) | 39″ W x 16″ L |
| “Just Cover It” Basement Window Well Covers Outside Protection 39″ W x 18″ L | WINDOW WELL SUPPLY | Polycarbonate (Clear) | 39″ W x 18″ L |
| SANDALIM Egress Window Well Cover Outside 54″ x 38″ | SANDALIM | Polycarbonate (Clear) | 54″ x 38″ |
Introduction notes: The metal models from Adjust-A-Grate emphasize strength and lightweight handling, essential for larger wells. Several polycarbonate covers from WINDOW WELL SUPPLY and SANDALIM offer UV protection and easy installation, suitable when transparency and light transmission are priorities. The buying guide that follows highlights considerations to help you decide between metal and polycarbonate based on your well dimensions, climate, and maintenance preferences.
Adjust-A-Grate L9: Large Radius Metal Grate
The L9 model is designed for metal window wells with large radius front corners, supporting wells that project 34″–37″ and measure 45″–60″ wide. It provides protection from the hazards of open wells while allowing up to 90% of natural sunlight to enter the basement. Constructed from tempered aluminum, this grate offers a strong yet lightweight option for emergencies where quick removal may be required.
Adjust-A-Grate L6: Moderate Depth Metal Grate
The L6 variant fits metal wells with large radius front corners measuring 22″–25″ projection and 45″–60″ width. It shares the same protective purpose as the L9, blocking hazards of open wells while permitting up to 90% of daylight. Its tempered aluminum construction provides durability with a lighter profile for easier handling during installation or relocation.
Just Cover It: 39″ W x 16″ L Polycarbonate Cover
This outside protection cover features high-strength polycarbonate with UV-resistant coating for long-lasting clarity. It measures 39″ wide and 16″ long, includes hardware for installation, and is designed to resist dirt, debris, and weathering. The built-in back splash adds structural rigidity, helping it withstand wind and snow loads without compromising visibility.
Just Cover It: 39″ W x 18″ L Polycarbonate Cover
Another size option from Just Cover It, this 39″ by 18″ cover maintains the same UV-resistant, transparent polycarbonate construction with included hardware for easy mounting. Its durability, weather resistance, and clarity help prevent yellowing, while the 1-1/2″ built-in backsplash strengthens the edge against harsh weather and debris intrusion.
SANDALIM Egress: 54″ x 38″ Polycarbonate Cover
Wide exterior protection with a 54″ x 38″ footprint, this polycarbonate cover from SANDALIM features a 50-micron UV coating to resist yellowing and keep the cover clear. It includes tool-assisted installation components, enabling a quicker setup for larger wells. The product vault emphasizes all-weather protection against rain, snow, and debris while preserving visibility.
SANDALIM Egress: 59″ x 38″ Polycarbonate Cover
This larger SANDALIM model provides outdoor all-weather protection with the same double UV coating for long-term clarity. Tool-assisted installation and a robust polycarbonate shell ensure durability across seasonal changes, while maintaining transparency to maximize natural light into the basement.
QIPRAONO: 54″ x 38″ Double UV Polycarbonate Cover
QIPRAONO offers a durable 54″ x 38″ polycarbonate cover with double UV coating to guard against yellowing and degradation. It includes installation hardware for standard tool setups, ensuring a straightforward fit for larger window wells. The cover balances visibility and protection, suitable for egress or basement windows subjected to outdoor elements.
Buying Guide: Key Purchase Considerations
- Material strength and durability: Metal window well covers (e.g., tempered aluminum) deliver high impact resistance and long-term rigidity, especially in windy climates or heavy snowfall. Polycarbonate covers offer excellent clarity and sunlight transmission but may require more frequent inspection for scratches or UV wear.
- Size and fit: Accurately measure width and depth of your window well. Models listed here cover a range of sizes, and mismatched fits can compromise safety or clearance for egress.
- Sunlight transmission: If you want maximum natural light, polycarbonate covers with UV protection provide clear visibility. Metal grates may obstruct some light but excel at safety in large wells.
- Weather resistance: Look for UV coatings on polycarbonate to prevent yellowing. Built-in backsplashes and hardware quality affect performance during rain, snow, and temperature swings.
- Installation and maintenance: Hardware-included covers simplify mounting. Consider whether you prefer tool-assisted installations or simpler snap-on methods for periodic removal.
- Safety and egress: Ensure the cover maintains or improves egress access, especially for basement windows used as emergency exits. Verify weight, load rating, and the ability to remove quickly if needed.
- Aesthetic impact: Clear polycarbonate preserves exterior aesthetics and light entry, while metal covers offer a more industrial look and enhanced security.
- Cost and longevity: Metal covers typically cost more upfront but may offer longer service life with less maintenance, whereas polycarbonate options often come at a lower upfront price with ongoing UV protection requirements.