- In the presence of thick moss or large patches of lichens, perform a prior brushing or a scraping.
- Protect surfaces that do not need to be treated.
- Shake the product well before using.
- Apply the product neat, from the bottom to the top, on a dry base with the aid of a sprayer, a paintbrush or a roller.
- Never rinse after application.
- Clean the tools with fresh water after use.