Bostik Rito Bituminous Mastic 300G

The Bostik Rito Bituminous Mastic 300g is a high-performance, fibre-reinforced bituminous sealing compound designed for waterproofing, repairing, and sealing a wide range of external surfaces. It provides a tough, flexible, weather-resistant seal that remains pliable after application, making it ideal for areas subject to movement or exposure to harsh weather conditions. Suitable for roofing, guttering, and general maintenance work, it bonds effectively to materials such as felt, metal, slate, concrete, fibre cement, and timber. Its ready-to-use cartridge format allows for clean, controlled application using a standard sealant gun, making it ideal for precise repairs, crack filling, bedding, and pointing tasks. Once applied, it offers immediate resistance to rain and delivers long-lasting protection against water ingress.

• 300g fibre-reinforced bituminous mastic cartridge
• Suitable for waterproof sealing, bedding, and pointing applications
• Provides a flexible, durable, weather-resistant black seal
• Immediately rain-resistant after application
• Adheres to felt, metal, slate, concrete, fibre cement, and timber
• Ideal for roofing, guttering, and general exterior repair work
• Applied using a standard sealant gun for precise application