12″ x 6″ Risers
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Our Risers can be cast into concrete or used with the Polylok D-Box. They come with a flat cover, galvanized steel grate, plastic grate, or with an inspection port. All of our risers have structural ribs on the inside preventing frost from adhering in frost prone areas. Polylok’s Risers are the only risers on the market to offer this unique feature.
Features:
- Heavy duty structural rib reinforcement for extra strength
- Green opaque color for UV-Ray protection
- Visible, molded warning placards
- Risers can be cast in, or be used with 12” Plastic D-Box
- Structural ribs inside prevent frost from adhering to the riser in frost prone areas
20″ x 6″ Risers
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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.
Features:
- Factory installed gaskets in Risers and Covers at no cost
- 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 to eliminate frost problems
- Structural ribs inside prevent frost from adhering to the riser in frost prone areas
20″ x 12″ Risers
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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.
Features:
- Less screws to worry about
- Factory installed gaskets in Risers and Covers at no cost
- 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
- Same flush design to eliminate frost problems
24″ x 6″ Risers
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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.
Features:
- Factory installed gaskets in Risers and Covers at no cost
- 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 to eliminate frost problems
- Structural ribs inside prevent frost from adhering to the riser in frost prone areas
24″ x 12″ Risers
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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.
Features:
- Fewer screws to worry about
- Factory installed gaskets in Risers and Covers at no cost
- 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
- Accepts 2″, 3″, 4″ and corrugated pipe
- Tear off riser ring if frost is a problem
- Same flush design to eliminate frost problems
12″ x 12″ Square Riser
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Our new 12” riser fits our 12″ x 12″ catch basin and 12″ x 12″ distribution box. They allow easy access to grade so that the boxes can be serviced or easily inspected. Unlike other boxes on the market our risers can be screwed together to maintain their integrity and create a watertight connection.
Features:
- Easy to install
- Light weight
- Can be screwed together
- Fits both Polylok 12″ x 12″ catch basin and 12″ x 12″ distribution box