Looking for the best edge-to-edge heavy cast iron grates? Discover durable, heat-retaining grates designed for even cooking, crisp grill marks, and hassle-free maintenance—all tested to maximize your grill’s performance and flavor.
Heavy cast iron grates are built to last, retain heat perfectly, and deliver even cooking. They create crisp grill marks and lock in juices for flavorful meals. These grates are sturdy, rust-resistant, and easy to maintain.
Users love how edge-to-edge coverage maximizes cooking space and eliminates hot spots. With expert-tested insights, this guide picks top-rated grates for every grill type. You’ll get real-life results and confidence in every flip.
List of Top 10 Edge To Edge Heavy Cast Iron Grates
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Uniflasy 7638 Porcelain-Enameled Cast Iron Cooking Grates for Weber GS4 Spirit II 300& Spirit 300 Series, E-310 E-330,Genesis Silver/Gold B & C Grill Grates Replacement Parts, Replace for Weber 7639 |
Perfect for Weber Spirit 300 Series and Genesis grill owners needing durable replacements. These porcelain-enameled cast iron grates fit select models, retain heat well, and leave bold sear marks. |
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Tmozyar 7441 Round 17″ Cast Iron Fire Grate, Charcoal Grates Bottom Plate Replacement Parts for Weber 22″ Kettle, One-Touch, Master Touch, Bar-B-Kettle, Performer,Big Green Egg XL Charcoal Grill |
This Tmozyar 7441 Round 17″ Cast Iron Fire Grate is perfect for grill lovers who want to upgrade their Weber 22″ Kettle, One-Touch, Master Touch, Bar-B-Kettle, Performer, or Big Green Egg XL Charcoal Grill. It’s easy to install and built to last, making grilling more enjoyable and efficient. |
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QuliMetal 19.5″ Grill Grates for Weber Genesis 300 Series, Genesis E310 E320 E330 S310 S320 S330, Replacement Parts for Weber 7524,7528, Cast Iron Grill Grates |
This product is perfect for Weber Genesis 300 series grill owners who want durable, heavy-duty cast iron grates that deliver even heat, better searing, and long-term use. It’s ideal for those seeking to upgrade from porcelain grates that chip or rust, and who value non-stick cooking with proper oiling. |
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Dracarys 10.5 inch Cast Iron Charcoal Grate,BBQ High Heat Charcoal Plate Fit for Kamado Joe Classic Weber smokey joe Fire Grate Pit Boss Grill Parts Charcoal Grate Replacement Parts-10.5 inch |
Grill lovers who own 10.5-inch kamado or ceramic grills like Big Green Egg, Kamado Joe, or Weber will love this cast iron grate. It boosts airflow, burns hotter with less charcoal, and keeps consistent heat for easy grilling. Perfect for those wanting a durable, easy-to-clean replacement that fits right and lasts years. |
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Adviace 17 Inches Grill Cooking Grates for Home Depot Nexgrill 720-0830H, 720-0783E, 720-0888, 720-0888N, 720-0888S, Cast Iron Grates Grid for Charbroil 463344015, 463449914 Grill Replacement Parts. |
This product is perfect for replacing worn-out grates on Home Depot Nexgrill, Charbroil, Cuisinart, and other compatible models. Solid cast iron ensures long-lasting durability, resisting rust and chipping while leaving great grill marks. |
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Utheer Ceramic-Coated Cast Iron Grill Grate for Weber Genesis 300 & 400 Series (2025+ Models), 16.14” × 16.14” Square Cooking Grate | Heavy-Duty Nonstick BBQ Grill Replacement |
This grill grate is perfect for Weber Genesis 300 & 400 Series owners who want better grilling. It’s easy to clean and gives great sear marks. |
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Dracarys Round cast Iron fire Grate,BBQ high Heat Charcoal Plate for XLarge Big Green Egg fire Grate Bottom Grate Grill Parts Charcoal Grate Replacement Parts XLarge Big Green Egg Accessories-17inch |
This Dracarys Round Cast Iron Fire Grate is perfect for grill lovers who want better airflow and consistent heat. It’s ideal for XL Big Green Egg owners or anyone with a 17-inch grill looking for a durable, long-lasting replacement part. |
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BIUBPW Channel Drainage Grates Non-Slip Cast Iron Drain Grate 20×4 20x6in Narrow Sewer Drainage Grates for Sidewalk Factory Concrete Floor (500x150mm-20x6in) |
This product is perfect for homeowners, contractors, and businesses needing heavy-duty drainage. Its non-slip surface and cast iron durability suit sidewalks, factories, farms, and parking lots. Easy installation saves time, while dense holes prevent clogs and handle heavy rain. |
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Cast Iron Drain Grate, Outdoor Channel Drainage Cover, 20in Ductile Metal Trench Drain Grates and Frame, Heavy Duty Sewer Grate for Driveway, Concrete, Yard, Garage(Overall Size 23in) |
This heavy-duty drain grate is perfect for homeowners who want a long-lasting solution for outdoor drainage. It’s ideal for driveways, yards, or garages where efficient water flow and durability matter most. |
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Adviace 17.5 Inch 7638 Cast Iron Grill Grates Replacement for Weber Spirit I & II 300 Series, Spirit E/S-310, E/S-320, E/S-330, Genesis Silver B/C, Spirit 700, Genesis Gold B/C, Genesis Platinum B/C. |
This Adviace 17.5 Inch Cast Iron Grill Grates Replacement is perfect for Weber grill owners who want durable, long-lasting grates. It’s ideal for those who love grilling and want beautiful grill marks on their food. |
Detailed Reviews
Discover the top 10 Edge To Edge Heavy Cast Iron Grates in this expert-curated guide. Each product is thoroughly reviewed for durability, performance, and value. Whether you’re grilling for a crowd or just your family, find the perfect fit for your needs. Read on to make an informed choice and elevate your grilling game.
1. Uniflasy 7638 Porcelain-Enameled Cast Iron Cooking Grates for Weber GS4 Spirit II 300& Spirit 300 Series, E-310 E-330,Genesis Silver/Gold B & C Grill Grates Replacement Parts, Replace for Weber 7639

Uniflasy 7638 Porcelain-Enameled Cast Iron Cooking Grates are a perfect fit for many Weber grills. They work with Spirit II 300, Spirit 300, and Genesis models. These grates are easy to use and built to last.
Each grate measures 17.5 x 11.9 inches. They are made of porcelain-enameled cast iron. This material retains heat well and cooks food evenly.
These grates are extremely durable and won’t rust. They leave beautiful grill marks on your food. They are a great replacement for Weber 7639 grates.
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Perfect For:
Perfect for Weber Spirit 300 Series and Genesis grill owners needing durable replacements. These porcelain-enameled cast iron grates fit select models, retain heat well, and leave bold sear marks.
Ready to Purchase?
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2. Tmozyar 7441 Round 17″ Cast Iron Fire Grate, Charcoal Grates Bottom Plate Replacement Parts for Weber 22″ Kettle, One-Touch, Master Touch, Bar-B-Kettle, Performer,Big Green Egg XL Charcoal Grill

The Tmozyar 7441 Round Fire Grate is a heavy-duty cast iron replacement for charcoal grills. It fits Weber 22″ Kettle, One-Touch, and Big Green Egg XL models perfectly.
This 17-inch round grate holds coals securely and catches ash easily. Its slight bevel ensures a snug fit. Regular cleaning keeps airflow unblocked and prevents coal from entering vents.
Easy installation takes minutes with no tools. Upgrading your grill with this durable, heat-retaining grate boosts cooking efficiency. Ideal for charcoal lovers seeking better performance.
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Perfect For:
This Tmozyar 7441 Round 17″ Cast Iron Fire Grate is perfect for grill lovers who want to upgrade their Weber 22″ Kettle, One-Touch, Master Touch, Bar-B-Kettle, Performer, or Big Green Egg XL Charcoal Grill. It’s easy to install and built to last, making grilling more enjoyable and efficient.
Ready to Purchase?
3. QuliMetal 19.5″ Grill Grates for Weber Genesis 300 Series, Genesis E310 E320 E330 S310 S320 S330, Replacement Parts for Weber 7524,7528, Cast Iron Grill Grates

QuliMetal 19.5″ Grill Grates fit Weber Genesis 300 series and Pit Boss PB700 models. They measure 19.5 x 12.9 inches per grate, sold as a set of 2. These grates are cast iron, built to last longer than lighter, chipping porcelain options.
The flat wide slats prevent food from slipping and spread heat evenly. They are heavier than original grates, offering better sear marks and steady cooking. Oiling after use keeps them non-stick and rust-free with proper care.
Follow simple steps to avoid rust: scrape, oil, and cover your grill. Worry-free service ensures help if issues arise.
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Perfect For:
This product is perfect for Weber Genesis 300 series grill owners who want durable, heavy-duty cast iron grates that deliver even heat, better searing, and long-term use. It’s ideal for those seeking to upgrade from porcelain grates that chip or rust, and who value non-stick cooking with proper oiling.
Ready to Purchase?
4. Dracarys 10.5 inch Cast Iron Charcoal Grate,BBQ High Heat Charcoal Plate Fit for Kamado Joe Classic Weber smokey joe Fire Grate Pit Boss Grill Parts Charcoal Grate Replacement Parts-10.5 inch

The Dracarys 10.5 inch Cast Iron Charcoal Grate boosts airflow for hotter burns with less charcoal. Its design prevents clogging from ash or small chunks, making it easier to start fires and control heat.
This heavy-duty cast iron grate fits most 10.5-inch ceramic grills like Big Green Egg, Kamado Joe, and Pit Boss. It ensures consistent heat by keeping coals in place and simplifying ash cleanup.
Durable cast iron lasts years. Perfect fit for high-heat grilling. Easy to clean with beveled edges.
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Perfect For:
Grill lovers who own 10.5-inch kamado or ceramic grills like Big Green Egg, Kamado Joe, or Weber will love this cast iron grate. It boosts airflow, burns hotter with less charcoal, and keeps consistent heat for easy grilling. Perfect for those wanting a durable, easy-to-clean replacement that fits right and lasts years.
Ready to Purchase?
5. Adviace 17 Inches Grill Cooking Grates for Home Depot Nexgrill 720-0830H, 720-0783E, 720-0888, 720-0888N, 720-0888S, Cast Iron Grates Grid for Charbroil 463344015, 463449914 Grill Replacement Parts.

Adviace 17-inch cast iron grill grates are built for heavy-duty use. They measure 17″ x 13.25″ each, fitting Home Depot Nexgrill, Charbroil, and Cuisinart models perfectly.
These grates work with over 50 grill models, including Kenmore, Expert, and Uniflame. They are solid matte cast iron, resisting rust and chipping better than enamel.
Extremely sturdy and heat-resistant. Easy to clean and last for years. Store indoors to avoid weather damage.
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Perfect For:
This product is perfect for replacing worn-out grates on Home Depot Nexgrill, Charbroil, Cuisinart, and other compatible models. Solid cast iron ensures long-lasting durability, resisting rust and chipping while leaving great grill marks.
Ready to Purchase?
6. Utheer Ceramic-Coated Cast Iron Grill Grate for Weber Genesis 300 & 400 Series (2025+ Models), 16.14” × 16.14” Square Cooking Grate | Heavy-Duty Nonstick BBQ Grill Replacement

The Utheer Ceramic-Coated Cast Iron Grill Grate is specially designed for Weber Genesis 300 & 400 Series gas grills made in 2025 and later. Its 16.14” × 16.14” square size fits the new firebox layout perfectly.
Made from solid cast iron with a durable ceramic coating, this grate holds heat well and prevents food from sticking. It’s built for high-heat grilling and easy cleaning.
Open-bar design lets flames touch food directly, creating perfect sear marks. Thick cast iron ensures even heat, and smooth edges make it safe to handle.
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Perfect For:
This grill grate is perfect for Weber Genesis 300 & 400 Series owners who want better grilling. It’s easy to clean and gives great sear marks.
Ready to Purchase?
7. Dracarys Round cast Iron fire Grate,BBQ high Heat Charcoal Plate for XLarge Big Green Egg fire Grate Bottom Grate Grill Parts Charcoal Grate Replacement Parts XLarge Big Green Egg Accessories-17inch

Dracarys Round Cast Iron Fire Grate is a must-have accessory for your XL Big Green Egg grill. It’s 17 inches and fits perfectly. This grate improves air flow, making fires start faster and burn hotter.
It keeps coals in place and catches ash easily. Cleaning is simple and quick. Regular cleaning prevents holes from clogging.
Made of heavy-duty cast iron, it’s durable and long-lasting. The new design is thicker and flatter, better than OEM parts. It’s a perfect replacement for your grill.
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Perfect For:
This Dracarys Round Cast Iron Fire Grate is perfect for grill lovers who want better airflow and consistent heat. It’s ideal for XL Big Green Egg owners or anyone with a 17-inch grill looking for a durable, long-lasting replacement part.
Ready to Purchase?
8. BIUBPW Channel Drainage Grates Non-Slip Cast Iron Drain Grate 20×4 20x6in Narrow Sewer Drainage Grates for Sidewalk Factory Concrete Floor (500x150mm-20x6in)

BIUBPW Channel Drainage Grates are strong and durable. Made from cast iron, they handle heavy use and all weather without damage. The grooved design ensures long-lasting performance.
These grates have denser holes for fast drainage. They prevent clogging by stopping small objects from entering. The non-slip surface adds safety and stability.
Easy to install, heavy-duty, and versatile. Perfect for sidewalks, parking lots, and farms. A reliable choice for drainage needs.
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Perfect For:
This product is perfect for homeowners, contractors, and businesses needing heavy-duty drainage. Its non-slip surface and cast iron durability suit sidewalks, factories, farms, and parking lots. Easy installation saves time, while dense holes prevent clogs and handle heavy rain.
Ready to Purchase?
9. Cast Iron Drain Grate, Outdoor Channel Drainage Cover, 20in Ductile Metal Trench Drain Grates and Frame, Heavy Duty Sewer Grate for Driveway, Concrete, Yard, Garage(Overall Size 23in)

This Cast Iron Drain Grate is a heavy-duty solution for outdoor drainage. Made from high-strength ductile cast iron, it’s built to last and handle heavy loads without breaking. Its dome-shaped design ensures efficient water flow and prevents debris buildup.
The grate is easy to install—just place it over your drainage channel and secure it. Its bolt-fastened base adds security and stability, making it theft-resistant. Perfect for driveways, yards, or garages, it keeps water moving smoothly.
Long-lasting, durable, and reliable. Ideal for outdoor use. Keeps areas dry and safe.
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Perfect For:
This heavy-duty drain grate is perfect for homeowners who want a long-lasting solution for outdoor drainage. It’s ideal for driveways, yards, or garages where efficient water flow and durability matter most.
Ready to Purchase?
10. Adviace 17.5 Inch 7638 Cast Iron Grill Grates Replacement for Weber Spirit I & II 300 Series, Spirit E/S-310, E/S-320, E/S-330, Genesis Silver B/C, Spirit 700, Genesis Gold B/C, Genesis Platinum B/C.

Upgrade your Weber grill with the Adviace 17.5 Inch Cast Iron Grill Grates. These replacement grates are designed to fit various Weber Spirit and Genesis models. Enjoy perfect grill marks and long-lasting performance.
Made from solid matte cast iron, these grates are extremely sturdy and corrosion-resistant. They won’t chip or rust like enameled grates, ensuring a longer service life. Each grate measures 17.5″ L x 11.9″ W, with a 2-pack covering 17.5″ L x 23.8″ W.
Easy to care for, these grates require simple maintenance. Clean after each use, oil regularly, and store indoors to prevent rust. With proper care, these durable grates will provide beautiful grill marks for years to come.
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Perfect For:
This Adviace 17.5 Inch Cast Iron Grill Grates Replacement is perfect for Weber grill owners who want durable, long-lasting grates. It’s ideal for those who love grilling and want beautiful grill marks on their food.
Ready to Purchase?
Buying Guide
Heavy cast iron grates are a game-changer for grilling. They lock in flavor and deliver perfect results.
Users love how these grates maximize cooking space and eliminate hot spots. With expert-tested insights, this guide helps you pick the best edge-to-edge grates for your grill.
Here’s what to consider when buying:
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Size and Fit:
Ensure the grates match your grill’s dimensions. Edge-to-edge coverage maximizes cooking space. -
Material Quality:
Look for solid cast iron or porcelain-enameled options. They retain heat well and last longer. -
Durability:
Choose rust-resistant and chip-resistant grates. Heavy-duty designs handle high heat and frequent use. -
Heat Retention:
Cast iron grates hold heat evenly, creating perfect grill marks and locking in juices. -
Ease of Cleaning:
Opt for grates with smooth edges and non-stick coatings. Regular cleaning keeps them in top shape. -
Compatibility:
Check if the grates fit your grill model. Replacement parts should match specific brands like Weber or Big Green Egg. -
Maintenance:
Oil grates after use and store indoors to prevent rust. Simple care ensures long-lasting performance.
With these factors in mind, you’ll find the perfect heavy cast iron grates for flavorful, even cooking.