For the application of thicker F. Ball underlayments. Always refer to specific datasheets for particular underlayments for suitability and thickness.
| Filled underlayment mixes when using: | Stopgap Red Bag |
| Stopgap Green Bag | |
| Stopgap 200 | |
| Stopgap 300 | |
| Stopgap 400 | |
| Stopgap 460 | |
| Stopgap 850 | |
| Stopgap 1100 | |
| Stopgap 1200 |
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