- In the presence of thick moss or large patches of lichens, perform a prior brushing or a scraping.
- In hot weather, dampen the surfaces to be treated in order to cool them down, then leave them to dry.
- Then apply the product neat, from the bottom to the top, on the dry or lightly dampened base with a sprayer, paintbrush or roller.
- Never rinse after application.
- Clean the tools with water after use.
Eliminate lichens, algae and green deposits and delays their reappearance