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.

Similar Products

12" Polylok Riser Adapter Ring

Our 12" Polylok Riser Adapter Rings accept any 12" Polylok risers. This adapter ring is ideal for retrofitting existing septic tanks, and can be secured with ease. Our adapter rings is made of virgin high density polyethylene.

24" Pipe Adapter Ring

Polylok's 24" Pipe Adapter Rings accept any 24" corrugated pipe. Our adapter rings are ideal for retrofitting existing septic tanks, and can be secured with ease. Our adapter rings is made of virgin high density polyethylene.

20" or 24" Polylok Riser Adapter Ring

This is the only adapter ring on the market that accepts 20" or 24" Polylok 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.

Goes Well With

20" x 6" Risers

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; 6,877,28

20" x 12" Risers

The best just got better. You asked for it and now we have it. Polylok is proud to introduce our 1 foot tall by 20" riser. It has the same high quality as our 6" tall by 20" risers, but with fewer screws that you and your customers have to put together.  Structural ribs inside prevent frost from adhering to the riser in frost prone areas.

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

The best just got better. You asked for it and now we have it. Polylok is proud to introduce our 1 foot tall by 24" riser. It has the same high quality as our 6" tall by 24" risers, but with fewer screws that you and your customers have to put together.  Structural ribs inside prevent frost from adhering to the riser in frost prone areas.

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

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.

20" x 2" Risers

Polylok is proud to introduce our new 20"x2" riser. Like the other 20" 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.

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.