Comparison Chart – Carpet Cleaning Methods
| Rotary Wet | Rotary Spin Pad | Dry Foam |
Wet Extraction | GREEN KLEEN |
|
| Traffic Downtime | 6-12 Hrs. | 1 Hr. | 2 Hrs. | 6-24 Hrs. | None |
| Blending Ability | Good | Good | Fair | Poor | Excellent |
| Chance of Color Bleeding | Possible | Possible | Possible | Possible | None |
| Amount of Residue | Heaviest | Heavy | Moderate | Little | None |
| Resoil Rate | Most Rapid | Very Rapid | Moderate | Slow | Very Slow |
| Shrinkage / Seam Splitting | Likely | Unlikely | Unlikely | Very Likely | None |
| Mildew | Likely | Unlikely | Unlikely | Very Likely | None |
| Spot Wickback | Very Likely | Likely | Likely | Likely | None |
| Browning | Possible | Possible | Possible | Possible | None |
Remember, it is not our purpose to downgrade other methods of cleaning, but to thoroughly discuss how the dry extraction system works and how it compares to other methods. We developed the dry system of cleaning in 1938 and understand it better than anyone else.