Tap Box & 4-Sided Manhole Shield by Trench Pro
Trench Pro, Inc.’s specifically designed 4-Sided Manhole Trench Shields and Tap Boxes are available with 4 inch wide steel panels in single or double walled models. Tap Boxes can be customized with bolt-on T-Door Panels for cross-trench utilities and connections. Four-sided manhole shields are frequently assembled with End Panel Connector (EC) Brackets.
- Reinforced top rails
- Adjustable and stackable
- Thru-wall lifting lugs
- Four-point lifting system
- High strength mill certified steel
- P.E. depth certification chart