The 10 Best Weatherproof Round Box Covers (2023 reviews)

We consider a weatherproof round box cover to be a worthy investment in the long run. We are here to help you choose the right one for your needs from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Sealproof Weatherproof Round Box Cover READ REVIEW

Best With knockout: Buy: Bell Weatherproof Round Box Cover READ REVIEW

Best For Outdoor Outlet: Buy: Taymac Weatherproof Round Box Cover READ REVIEW

Best For Electrical Box: Buy: RAB lighting Weatherproof Round Box Cover READ REVIEW

Best For socket: Buy: Greenfield Weatherproof Round Box Cover READ REVIEW

Best With wrong screw size: Buy: Bell Perfect Cover READ REVIEW

Best With hole: Buy: Yxxtech Weatherproof Round Box Cover READ REVIEW

Best For outside: Buy: Morris products Weatherproof Round Box Cover READ REVIEW

Best For Round Box: Buy: RAB lighting Weatherproof Cover READ REVIEW

Best For residential applications: Buy: Intermatic Weatherproof Round Box Cover READ REVIEW

Best Overall: Sealproof Weatherproof Round Box Cover

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The sealproof weatherproof round box cover is long-lasting, rigid and fits well with your regular usage like a dream. It is perfectly, and plenty of options to customize. It will replace your existing cover,if you have one and install to the receptacle box with provided gasket and hardware. It does come with two separate pairs of screws. This cover seals well to the box and it opens wide for easy access while plugging and unplugging. The cover must fall into a closed position when opened and let go via gravity.

The plastic is fairly pliable. It is easy to install with a screw driver and the additional plastic templates that come with it. There is a cover plate that you screw onto the outlet box that holds the Weatherproof box in place.

• Comes with extra covers for different plug types
• Easy to install and has stood up against some real bad rain and snow
• Very handy to have the hinges on both the top or side alternatives
• Easy to install and quality protection for you outlet

Best With knockout: Bell Weatherproof Round Box Cover

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We would, of course, be remiss if we didn't mention bell weatherproof round box cover for daily purpose. It fits a standard octagon metal electrical box. It includes installation hardware, gasket, multilingual instructions, and two closure plugs. It comes with two screw in plugs to cover up the two holes you don't use. It provides maximum weatherability and scratch resistance. It works well for a mount of a motion sensor.

It comes with the felt gasket for water resistance. They're all made with the same light weight metal so you're not losing anything over a store bought one.

• Work well for mounting on garage
• Three hole covers supplied with two closure plugs
• Delivers what they promise

Best For Outdoor Outlet: Taymac Weatherproof Round Box Cover

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If you often find yourself scrambling for convenient and suitable cover, taymac weatherproof round box cover should be your first option for buying. It is a good option for devices in a round box. It covers the round hole in the soffit and secures the outlet under a box. The plate cover is also smaller than the electrical box because the foam does not fully cover the electrical box to provide a water tight seal. It provides maximum durability plus it is manufactured in the united states.

The Sturdy construction and the various mounting options make this a really nice and cost-effective piece. It is a weatherproof in-use cover, 2-3/4 in. There are two cut outs for cords to pass out of the box. When you need it, it’s perfect for the intended use of a round box. It is easy to install and has many options depending on how or where you need to install it.

• Round exterior boxes to waterproof new boxes
• Lots of adapter bits for old and new plugs
• Good brand reputation

Best For Electrical Box: RAB lighting Weatherproof Round Box Cover

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The rab lighting weatherproof round box cover is capable of outshining several other cover featured in this list in overall features for the price point. RAB Lighting manufactures LED, metal halide, and high-pressure sodium lighting fixtures and controls for indoor and outdoor applications. This RAB Lighting xc1a weatherproof round cover is made of die cast aluminum for resistance to corrosion and is suitable for use in wet locations. It fits over the electrical box perfectly. It comes with a foam rubber gasket and four brass screws and has a 4-1/2" (11.4 cm) diameter. It works great and it comes with mounting screws. It allows for better adjustment of the attached fixture. It can be used in a variety of outdoor lighting applications.

• Very sturdy and allows for better adjustment of the attached fixture
• Not flimsy like the ones made of plastic
• Very strong supplied with 4 stainless steel screws and think gasket
• Opening in center which can either be plugged or fitted with a component

Best For socket: Greenfield Weatherproof Round Box Cover

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Compared with other cover in this category, the greenfield weatherproof round box cover has a convenient design. Greenfield's high-quality, weatherproof electrical products are engineered for success to stand the test of time and make sure the job gets done right the first time. It comes with screws to attach to your box, and foam to help seal everything. It comes with a gasket which is also quite thin.

It comes with one 1/2" hole, made from corrosion resistant, die cast zamak alloy. The plate fixing holes are set at typical positions so aligned with no problems. It comes with an instruction card, gasket, and mounting screws.

• One of the new comers and featured product
• Good brand reputation

Best With wrong screw size: Bell Perfect Cover

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The bell perfect cover is capable of outshining several other cover featured in this list in overall features for the price point. Screw holes are not the standard size, but the lid is the right size and has a good gasket. It is perfect cover for the hubbell-bell prb57550gy weatherproof box. It is made of durable high-impact polycarbonate that is perfectly acceptable for most applications not requiring ruggedized or conductive housings. The weather gasket is glued to the cover making installation easier and the included screws fit perfectly with the box it is installed on.

• Installation hardware, gasket and multilingual instructions included
• Delivers what they promise

Best With hole: Yxxtech Weatherproof Round Box Cover

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Best part: yxxtech weatherproof round box cover costs comparatively low and it is available to ship in 24 hours. The Weatherproof Electrical Outlet Box Cover is used to mount up to a single lampholder. It is committed to provide highly humanized household solutions for modern life. The electrical outlet box is UL certified,you can use it safely.

• Simple and rational design, it is easier to install it
• Resistant to corrosion, dryness and moisture, can installed in some harsh environment
• Great product to use with flex conduit

Best For outside: Morris products Weatherproof Round Box Cover

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It has grown to in the electrical and construction industries, it has always maintained a clear commitment to the core family values from upon which it is founded. This powder coated round blank cover will keep any weather out. It exactly matches the cover mounting holes in round, square, and octagonal utility boxes. It's easy to install.

• Gasket & mounting screws supplied with powder coated round blank cover
• Delivers what they promise

Best For Round Box: RAB lighting Weatherproof Cover

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Rab Lighting is known for creating pragmatic and minimalist cover for people on the go, and its line of rab lighting weatherproof cover definitely falls in line with that reputation. Close-up plugs allow Phillips or slotted screwdrivers for easy installation. It is the highest quality, thickest/strongest 4" cover plate on the market. It even has 4 holes for attaching to a 4" round box when most other plates have only 2 holes. The thick closed cell silicone rubber for long lasting seal won't crumple or break. These are bright and work how and when they are set up to. It fits round boxes additionally it is suitable for wet locations.

• Better, thicker metal, better machining, better finish
• Precision die cast aluminum or molded polycarbonate plastic with 1/2" threaded holes
• Available for round and rectangular covers and boxes

Best For residential applications: Intermatic Weatherproof Round Box Cover

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate cover. The intermatic weatherproof round box cover is exactly that - it's a simple cover that hits all the right notes. It offers an expandable front window that can be collapsed to save space when not in use. It includes 3/0 adapter plate for 3” (76 mm) round box. It is perfect for residential applications. It is easy to install and include a gasket, mounting screws, base, cover assembly and inserts to meet the needs of a variety of applications.

• New faster installation, pre-set for gfci, no insert required
• Single-gang covers mount vertically or horizontally
• Gfci/decora and inserts for duplex and round