Introducing Mapesil Ac 174 Tornado, the acetic silicone sealant you can rely on for the toughest of jobs! This highly elastic and durable 100% silicone formula offers outstanding resistance to mould, solvents, and extreme temperatures, thanks to its high thermal and chemical resistance. Designed with cutting-edge BioBlock technology, it accommodates movements up to 25%, making it the go-to choice for a strong and long-lasting seal, in a deep grey colour.

What’s special about this product?

• Highly elastic for maximum flexibility
• Mould-resistant with advanced BioBlock technology
• 100% silicone, solvent free formula ensures a safe application
• Strong and durable for long-lasting performance
• High thermal and chemical resistance for versatile use
• Complimentary to Ultracolour Plus 174 Tornado
• We recommend using Mapei Ultracare Smooth Silicone alongside our silicone sealant