- Building up layers with
- excavator equipment and
- hand finishing. For full
- vault, hand finishing would
- not be possible. Conclusion:
- Spray-on coating (like
- Shotcrete) rather than
- excavator shovel needs to be
- explored.
- Coats include: mudcoat and
- finish coats for weather
- testing sample bioconcretes
- in Redding, Vermont. Photo
- taken at twelve months.
- Image credit:
- JanaVanderGoot, 2022