The 3 Best 18 inch Septic Tank covers (2023 reviews)

18 inch septic tank covers
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Are you planning to buy 18 inch septic tank covers, and are you confused about the options ? You have come to the right page.

Our review process:

Our Top Picks:

Polylok 18 inch Septic Tank Cover
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Jackel Top Cover
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Jackel 18 inch Septic Tank Cover
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Polylok 18 inch Septic Tank Cover

Polylok 18 inch Septic Tank Cover
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Not everyone likes to purchase cover for their daily usage, but the polylok 18 inch septic tank cover would be an anomoly. It is easy to install, sturdy, and a real solid lid. It is designed to fit polylok 24" risers, polylok 24" adapter rings, and polylok 24" d-boxes. The screws are 10 x 1-12" Stainless Steel. This lid will work with a concrete tank if there are existing 24" polylok risers or a polylok adapter ring already in place. It will be either a Philips or a T25 square bit,easy to install. The package also includes the screws to attach the lid to the casing. The lid is measured by the diameter.

Why We Like This:
  • Septic tank cover was easy to install
  • Good brand reputation

Jackel Top Cover

Jackel Top Cover
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Next on the list, we've got yet another cover that manages to win our hearts. It's the jackel top cover and it's widely considered as one of the best convenient cover you can buy. The top hole on that model is set up for a 3" PVC radon pipe and all other holes have to be drilled out. It comes with a variety of connectors and gaskets to accommodate different pipe sizes. The unit must be fixed to the concrete floor to allow for a proper seal against radon gas.

The cover is designed to accommodate any type of plumbing. The dome is very sturdy and comes with a variety of connectors and gaskets to accommodate different pipe sizes. There are a variety of ports included and they come with o-rings to seal it. It's a gasket and reusable.

Why We Like This:
  • Easy to install very tight seal
  • Lots of gaskets and ways to instal with radon fan
  • New and hot release

Jackel 18 inch Septic Tank Cover

Jackel 18 inch Septic Tank Cover
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For a low asking price, jackel 18 inch septic tank cover has managed to overwhelm their customers by packing as many features as they could. It is a standard size for a sewage basin cover. It is constructed of injection molded polyethylene structural foam, the jackel-sf16101 has proven to be one of the best sewage basin covers made. It is a much improved 8 bolt, radon gas and odor tight gasket and heavy-duty structural foam injection molded construction that will not rust.

This cover is designed to fit an 18" inside diameter basin. The bolts supplied might fit your tank, but they are stainless steel. This lid fits EXACTLY to the tank, replacing the original metal lid that rusted out. It comes with an extra pipe grommet seal for 1 1/2" pipe.

Why We Like This:
  • Well made, fairly strong, multiple options for hose placement
  • Metal to rust just a sturdy composite
  • Good brand reputation