Experience superior sealing with the MAPEI Mapeisil AC 999 Transparent Silicone Sealant. Featuring advanced bio-block technology, this sealant offers exceptional mould resistance and can accommodate up to 25% movement, ensuring a durable and long-lasting seal. Its high elasticity makes it ideal for a wide range of applications, including sealing joints, filling gaps, and bonding various materials. Perfect for DIY home improvements, this 310ml tube provides a clear, reliable solution for your sealing needs. Key Features: - Bio-block technology for mould resistance - High elasticity for up to 25% movement - Transparent finish - Versatile for sealing, filling, and bonding - Suitable for various home improvement projects Summary: Mapei Mapeisil AC 999 Transparent Silicone Sealant 310ml, bio-block technology, mould resistant, high elasticity, sealing, gap filling, bonding, DIY, home improvement.