Root Resistance
Our product family Preventol® B offers long-lasting and reliable protection against root penetration of roofing and waterproofing bitumen or bituminous materials. Preventol® B5 for example provides security against root penetration without damaging the plants and meets the specific requirements for the sealing of green roofs.
Our products for root resistance
PREVENTOL® B 5


- Oily liquid of 2-(4-chloro-2-methylphenoxy)-propionic acid octyl ester
- For the production of root-resistant bituminous construction materials such as roofing felts for green roofs, sealants, insulations and asphalt mixtures.
- Protects construction materials from undesirable root penetration without damaging plants.
- Provides long-term protection.