A paving brush is used to clean grout and remove weeds from between paving blocks.
The video reference mentions that you can use a paving brush for the following purposes:
- Cleaning existing grout.
- Removing weeds from between paving blocks.
Therefore, the primary ways to use a paving brush are to keep your paved surfaces clean by addressing grout build-up and weed growth. Specific techniques would vary depending on the specific paving brush (e.g., manual vs. powered) and the nature of the cleaning task.
