Re-usable Inlet Forms
The patented Castle-22 Form is easily positioned securely in minutes, and is dismantled just as quickly. More importantly, it consistently provides attractive, uniform and effective inlet curvatures at proper sizes – a great finishing touch on concrete storm drain collection boxes. The Castle 22, is an excellent tool whether used for pre-cast or site cast construction.
Castle 22 Forms are available in fixed lengths up to 10 feet, or manufactured so lengths are adjustable.
Products:
- Type 22 Curb Inlet – Kansas Department of Transportation
- Type 22 Precast Inlet – Kansas Department of Transportation
![]() Castle 22 Concrete Form - Precast |
![]() Castle 22 Adjustable Concrete Form – Site |

