Riser 500 x 150mm
The Polylok 500 x 150mm riser is designed for use with the Polylok 500mm covers, adapters and the 10 hole inspection/distribution chamber. Our risers are stackable, fixed together with screws, and are supplier with a foam gasket fitted. Structural ribs inside prevent frost from adhering to the riser in frost prone areas.
Features:
- Can be cast into a concrete base or tank cover if required
- Factory installed gaskets in Risers and Covers at no cost
- Easy to install
- UV-Ray Protection
- Easy to bring an access cover 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