The 5 Best 18 inch Septic Tank risers (2023 reviews)

18 inch septic tank risers
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It is important to have the well suited 18 inch septic tank riser. In the following post, we will help you to select the best 18 inch septic tank risers.

Our review process:

Our Top Picks:

Polylok old Lid
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Polylok 18 inch Septic Tank Riser
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Tuf-Tite concrete Lid
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Tuf-Tite 18 inch Septic Tank Riser
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Tuf-Tite 16" Safety pan Riser 18 inch Septic Tank Riser
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Polylok old Lid

Polylok old Lid
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The polylok old lid is suitable and reliable and fits well with your daily purpose. This Polylok Cover will only fit Polylok 24" products only such as Polylok 24" risers. The adapter rings are made as a 24 inch and 20 inch all in one so you will have to cut the 20 inch ring out. It fits specifically in the collar of the tank opening. The cover fits snug, and once the stainless steel screws are in place, very securely.

It's quick and easy and it appears to be very sturdy. They use a square notched screw driver.

Why We Like This:
  • Exceptional accuracy in form, fit, and function
  • Lot of satisfied buyers

Polylok 18 inch Septic Tank Riser

Polylok 18 inch Septic Tank Riser
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The polylok 18 inch septic tank riser is suitable and reliable and fits well with your daily usage. The riser helps to keep anything from entering the subject tank if it s flush with the top of if it s flush with the top of the tank there is a potential for stuff to fill with chauffeur stuff to filter in. It comes with screws needed to mount it on the riser. It goes over the hole in the lid. The lid is applied with screws that mate in the matching holes. It has a slight rounded curve to it. The adapter ring is fixed so go with the same lid size as the adapter ring. It comes with stainless Steel screws needed to mount it on the riser.

Why We Like This:
  • Exact replacement for current cover with crack in it
  • Good brand reputation

Tuf-Tite concrete Lid

Tuf-Tite concrete Lid
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The tuf-tite concrete lid is satisfactory and appropriate and fits well with your daily usage. It sits on top of the tank. It works well along with matching cover. The riser has screw holes on the top ( for lid and on bottom for tank to secure it all together. It will dry like concrete around the riser. It is a smaller rectangular opening at the tank. It works well and seals well when you already have tuf-tite in the ground. It is a thick plastic.

Why We Like This:
  • To reduce the cost of septic maintenance
  • Fast set concrete to keep them in place
  • Delivers what they promise

Tuf-Tite 18 inch Septic Tank Riser

Tuf-Tite 18 inch Septic Tank Riser
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Tuf-Tite line of riser come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. It does a great job keeping the dirt & grass off the septic lid. They use four #12 stainless steel sheet metal screws with pan head phillips. It is a riser for added clearance out of the ground. It includes stainless steel safety screws. It seals when you screw the lid on. It is ideal for septic tanks.

Why We Like This:
  • Designed specifically to fit tuf-tite products
  • Very easy installation and measurements were spot on
  • New and hot release

Tuf-Tite 16" Safety pan Riser 18 inch Septic Tank Riser

Tuf-Tite 16
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Best part: tuf-tite 16" safety pan riser 18 inch septic tank riser costs comparatively low and it is available to ship in 24 hours. It will accept the 16" tuf-tite domed lid and the flat heavy duty lid. It comes with 6 screws to fit securely to existing risers. They have a ring on the inside of them that will allow you to add a concrete plug for safety.

Why We Like This:
  • Adds 3 more inches of height to existing risers
  • Delivers what they promise