Description
Do you have an existing riser that needs to be extended? Use our simple extension kits to raise the height of your current riser.
- Includes: butyl sealant, hardware, corrugated pipe, connector flange, & safety barrier
- AS Pro Series cover available for purchase separately.
- Adapts to 24″ ID double wall corrugated pipe
- Adapts to 24″ inside diameter concrete risers (Masonry fasteners NOT included with kit, Recommend fastener: Masonry 3/16″ x 1-3/4″)
- Heights from 6″ up to 50″
- Made of 100% Recycled HDPE
