24" x 12" Riser (Round Wall)

Polylok's 24"x12" risers come with factory installed gaskets and can be stacked on top of each other. There are screw holes on the inside of the riser to attach it to a Polylok adapter ring, another Polylok riser, and Polylok distribution boxes or catch basins. There are two Polylok 24"x12" riser models, one with a round wall design and one with wall flats.

U.S. Patent No# 6,655,093; 6,454,491; 6,877,281

Features

  • Factory installed gaskets
  • Watertight and airtight
  • Allows septic tank to be easily vacuum or water tested
  • Highest UV-Ray Protection on the market today
  • Easy to bring septic access to grade
  • Made of High Density Polyethylene which won’t shatter like some Polypropylene risers
  • Tear off riser ring if frost is a problem
  • Available with wall flats (PN: 3008-R12)
  • 24"x12" risers with round walls WILL accept Polylok 24" safety screens

Part Number

  • 3008-R12R (24" x 12" Riser w/ round walls)
  • 3008-R12 (24" x 12" Riser w/ wall flats)

Similar Products

24" x 6" Risers

Like our 20" riser, we have combined all the best features of concrete and plastic risers to create our patented riser system. Our risers hold their shape, are stackable, screw together, and are water and airtight. Structural ribs inside prevent frost from adhering to the riser in frost prone areas.

U.S. Patent No# 6,655,093; 6,688,072; 6,484,451; 6,877,281

24" x 12" Risers (Wall Flats)

Polylok's 24"x12" risers come with factory installed gaskets and can be stacked on top of each other. There are screw holes on the inside of the riser to attach it to a Polylok adapter ring, another Polylok riser, and Polylok distribution boxes or catch basins. There are two Polylok 24"x12" riser models, one with a round wall design and one with wall flats. Please note that the Polylok 24"x12" riser with flats will not accept Polylok riser safety screens.

U.S. Patent No# 6,655,093; 6,454,491; 6,877,281

24" Riser Pan

Provides a secondary concrete plug for additional safety.  Accepts additional 24'' Risers to bring to grade.

24" x 2" Risers

Polylok is proud to introduce our new 24"x2" riser. Like the other 24" diameter risers it comes with the factory installed gasket. It is a great solution for systems needing only a few inches to come to grade.

Goes Well With

Low Profile Basins, with Filter & Cover

Polylok’s new low profile external filter basin is ideal for those situations where space limitations are a factor.

Pre-Assembled Pump Basin

Tired of assembling your own pump basins? You don’t have to! Polylok now offers a pre-assembled pump basin that includes everything you need from the effluent pump to the heavy duty cover. This all inclusive unit comes ready to hook-up. It is made of high density polyethylene and is light weight, compact and ready for installation.

Riser Safety Screens

Polylok, Inc. is proud to offer our 12", 20" & 24" Safety Screens. These bright yellow, heavy-duty ABS screens act as a secondary layer of protection if the riser cover is unknowingly damaged or removed. The Riser Safety Screen fits in the upper most riser stack of our Polylok 12"x6", 20"x6", 20"x12" and 24"x6" risers and prevents entry into the tank. The Riser Safety Screen has been tested to 250 lbs. per sq. ft. and comes with a built in handle. For a better nights sleep, make this a part of your riser installation each and every time!

Adapter Rings

This is the only Adapter Ring on the market that accepts 20" or 24" risers. Our Adapter Ring is ideal for retrofitting existing septic tanks and can be secured with ease. Our Adapter Ring is made of virgin high density polyethylene.

Riser-to-Riser Adapters

Polylok's 20" & 24" Riser-to-Riser Adapter allows any other manufacturer's tanks, risers or corrugated pipe to be converted to Polylok's  Risers.  Simply screw or butyl our adapter onto the appropriate structure and that's it!  You can now use any 20" or 24" Polylok Riser.

Insulation for Polylok Covers

Our 20" and 24" covers meet an R-value of 10. We offer 20" covers, 24" covers and 24" Heavy Duty covers with or without insulation. Our insulation is easy to install and ships with the covers. Simply insert the pre-cut insulation into the cover, no extra steps.

Adapter Ring Kit

This kit will allow you to secure an adapter ring to an existing concrete tank to enable to addition of a Polylok riser or corrugated pipe to the tank. When installed properly, this will enable you to create a watertight connection. The kit contains 8 anchor bolts, 1 drill bit and a closed cell foam gasket.

24" Rhino Drainage Box (10 Hole)

The Polylok 24" Rhino Box is the most versatile box on the market. It has ten (10) potential openings. It can be used as a catch basin, distribution box, pump chamber, meter pit, and much more. This Rhino Box makes even the toughest applications a breeze with its strength and versatility!

24" Drain Well Kit

The Polylok Drain Well is an easy to install dry well used to collect, retain, and discharge storm water. Our Drain Well allows the flexibility to choose your inlet and leaching locations. The Drain Well cover allows for a 4” surface drain and is equipped with two recessed handles for easy removal. One of our Drain Well’s greatest features is its ability to accommodate stacking of Polylok 24” risers to accommodate higher volumes of water.

24" Rhino Baffled Distribution Box (10 Hole)

The Polylok 24" Rhino Baffled Distribution Box is the most versatile box on the market. The baffled design allows for solids to settle on the bottom of the box instead of going to the leach field, extending the life of the field. This Rhino Box makes even the toughest applications a breeze with its strength and versatility!