Foley Products offers a variety of standard knockout box sizes; however, knockout panels can be added to any square vault. Knockout panels offer the following benefits:
- Knockout panels allow contractors to make any necessary field adjustments.
- Future lines can be added as required.
- Knockout boxes are designed for HL 93 loading
Knockout Boxes Cut-Sheets
- Storm Sewer
- Custom Applications
- EJ – wide selection of cast iron ring and covers, grates and frames
- ConSeal – manhole joint sealers (mastic)
- M.A. Industries – manhole steps
- ASTM C858 – Standard Specification for Underground Precast Concrete Utility Structures
- ASTM C913 – Standard Specification for Precast Concrete Water and Wastewater Structures