1 Choose A 24'' Adapter Ring

The first component that you need in order to build a complete riser system is the adapter ring. The adapter ring mounts directly to the septic tank, allowing the risers to stack, lock, and mount to it.

Only ONE of the two options below is required!

  • Best Seller
    Polylok Square Septic Tank To Riser Adapter RingPolylok Square Septic Tank To Riser Adapter Ring
    Polylok Square Tank Adapter Ring The Polylok Square Tank Adapter Ring accepts either 20'' or 24'' risers. The large squared shape of this adapter allows it to cover up to 25'' x 25'' square openings or up to 27'' in diameter round openings. It is recommended to mount this adapter ring to the tank using our Adapter Ring Installation Kit (#ANCHORKIT). Once mounted and sealed to the tank, any combination of Polylok risers and lids will attached directly to this adapter. READ MORE

    Item #:3009-AR

    Our Price: $55.00MSRP: $69.00
  • Polylok 24" Round Septic Tank To Riser Adapter Ring
    Polylok 24" Round Tank Adapter Ring This Polylok Round Tank Adapter Ring is for 24'' round or smaller openings. This ring allows you to mount the Polylok risers to a concrete or plastic septic tank. This may also be used to convert other brands of risers to the Polylok system. Once the adapter ring is mounted and seals, any combination of Polylok 24'' diameter risers or lids will attach directly to this ring. READ MORE

    Item #:3009-RTR24

    Our Price: $30.00MSRP: $39.00

2 Choose A 24'' Septic Tank Riser

Risers are used to bring the access of your septic tank to grade. Choose any combination of the options below to achieve the necessary rise. The Polylok risers are stackable.

  • Polylok 24" x 6" Septic Tank RiserPolylok 24" x 6" Septic Tank Riser
    Polylok 24" x 6" Septic Tank Riser

    This Polylok riser is 24'' in diameter and 6'' tall. Polylok risers are stackable giving great flexibility when bringing your access to grade. Each riser locks into position and is fastened with included stainless steel screws. Each riser section is gasketed from the factory and provides an airtight and watertight seal! No additional sealant is necessary.

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    Item #:3008

    Our Price: $40.00MSRP: $50.00
  • Polylok 24" x 12"  Septic Tank RiserPolylok 24" x 12"  Septic Tank Riser
    Polylok 24" x 12" Septic Tank Riser

    This Polylok riser is 24'' in diameter and 12'' tall. Polylok risers are stackable giving great flexibility when bringing your access to grade. Each riser locks into position and is fastened with included stainless steel screws. Each riser section is gasketed from the factory and provides an airtight and watertight seal! No additional sealant is necessary.

    The safety screen (#3008-SS) will not work with this item. Use (2) 6'' Risers (#3008) if you wish to use the safety screen.

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    Item #:3008-R12

    Our Price: $65.00MSRP: $75.00
  • Polylok 24'' x 2'' Septic Tank Grade RiserPolylok 24'' x 2'' Septic Tank Grade Riser
    Polylok 24'' x 2'' Septic Tank Riser

    This Polylok riser is 24'' in diameter and 2'' tall. Polylok risers are stackable giving great flexibility when bringing your access to grade. Each riser locks into position and is fastened with included stainless steel screws. Each riser section has a foam gasket installed from the factory and provides an airtight and watertight seal! No additional sealant is necessary.

    The safety screen (#3008-SS) will not attach directly to this item.

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    Item #:3008-GR2

    Our Price: $40.00MSRP: $49.00

3 Choose A 24'' Riser Lid

The final component that you will need to complete your riser system is a lid. The standard lid has handles for easy access, a factory installed gasket, and comes with stainless steel screws to lock in place. These lids can handle foot traffic or the weight of up to a riding lawn mower driving across them. The heavy duty lids are recommended for below grade installations or areas with high foot traffic.

  • Polylok 24" Septic Tank Riser Lid Model PL-24RCPolylok 24" Septic Tank Riser Lid Model PL-24RC
    Polylok 24" Septic Tank Riser Lid

    This standard 24'' Polylok Riser Lid model PL-24RC fits the 24'' diameter Polylok risers. The Polylok Riser Lids are made of HDPE with the highest UV protection on the market today. These covers can withstand normal residential and light commerical traffic including up to a riding lawn mower or small garden tractor.

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    Item #:3008-RC

    Our Price: $40.00MSRP: $55.00
  • Polylok 24" Heavy Duty Septic Tank Riser LidPolylok 24" Heavy Duty Septic Tank Riser Lid
    Polylok 24" Heavy Duty Septic Tank Riser Lid

    The Polylok 24'' Heavy Duty lid fits the Polylok 24'' diameter risers and adapter rings. This cover is perfect for high foot traffic installations! This lid is flat and includes a skid resistant surface. Every cover comes with a factory-installed gasket to ensure an airtight and watertight seal! This lid replaces Polylok part number 3008-HD.

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    Item #:3008-WEST

    Our Price: $55.00MSRP: $65.00

4 Choose Optional 24'' Accessories

Below are optional but recommended accessories to include with your riser system.

  • Polylok 24" Septic Tank Riser Safety ScreenPolylok 24" Septic Tank Riser Safety Screen
    Polylok 24" Septic Tank Riser Safety Screen

    The Polylok 24'' Safety Screen acts as a secondary layer of protection if the riser cover was unknowingly damaged or removed. The screen fits in the upper most riser stack of the Polylok Risers and prevents entry into the septic tank.

    Note: This item will not fit the 24'' x 12'' Riser (#3008-R12) or 24'' x 3'' Pan Riser (#3008-RP).

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    Item #:3008-SS

    Our Price: $20.00MSRP: $29.00
  • Best Seller
    Adapter Ring Installation Anchor Kit with Sealant Rope
    Adapter Installation Anchor Kit The adapter ring installation kit is used to mount and seal the Polylok tank adapter rings to a concrete tank. The kit includes concrete anchors, a masonry bit, and butyl sealant.  READ MORE

    Item #:AnchorKit

    Our Price: $19.50MSRP: $29.00
  • Butyl Sealant Rope
    Butyl Sealant Rope

    The butyl sealant rope is used to seal the tank adapter ring to concrete, plastic, or fiberglass septic tanks.

    20ft Roll (1/2'' Wide, 1/4'' Thick)

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    Item #:ASTM-C990

    Our Price: $7.95MSRP: $12.95