Polylok Riser
These Risers can be cast into concrete or used with the Polylok D-Box. They can 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. Please note that the Polylok 24"x12" riser with flats (#PLK-RI 20-12) will not accept Polylok riser safety screens.
Details:
- • Heavy duty structural rib reinforcement for extra strength
- • Green opaque color for UV-Ray protection
- • Visible, molded warning placards
- • Structural ribs inside prevent frost from adhering to the riser in frost prone areas
- • Watertight and airtight
- • Allows septic tank to be easily vacuum or water tested
- • 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
NOTE: 24"x12" riser with wall flats (#PLK-RI size 24-12) will NOT accept Polylok 24" safety screens.
