There are many methods to make concrete...
- Sandpaper Method http://bowemodels.blogspot.com/2013/05/technique-building-basic-wwii-era.html
- Mod Podge and Plaster Method
- Plaster over Foam Method
- Plaster over Cork Method
- Base coat with XXX
- Apply striping with XXX
- Splatter
- Oil stains
- Fuel stains