- Understanding exactly what types of surfaces (e.g., decks, driveways, siding) and additional services (e.g., sealing, staining) are covered is essential. 2. **What kind of equipment and cleaning agents do you use?

- Understanding exactly what types of surfaces (e.g., decks, driveways, siding) and additional services (e.g., sealing, staining) are covered is essential. 2. **What kind of equipment and cleaning agents do you use?