
Ventilation Control, Stoppings & Bulkheads
Engineered mine structures are constructed to control mine ventilation, seal off abandoned sections of a mine or to close off the main entry to an inactive mine. Strata offers a selection of product options, along with full-service installation and technical support..
For safety you can depend on, Strata offers MSHA approved ventilation seals with full-service installation.

Building overcasts has never been quicker and easier. Strata SP Overcasts are constructed using light-weight EVG-3D panels and high-strength spray-applied gunite.

Bulkheads and Stoppings for ventilation control, slurry containment, emergency refuge rooms and to seal off inactive mines, built with block or EVG-3D panels. These ventilation structures are then coated with gunite or shotcrete to ensure an air-tight, rugged seal and long life.
- Omega Blocks >>

