MAPESIL AC - Pure, mould-resistant, acetic silicone sealant with BioBlock technology for movements up to 25%. Revamp your home with ease with the MAPEI Mapeisil AC 112 Medium Grey Silicone Sealant 310ml. Backed by bio-block technology, this silicone sealant handles up to 25% movements while providing excellent mould resistance. It's highly elastic and perfect for sealing, filling gaps, bonding various surfaces together, and more. Model Number: WDB16607Pure acetic silicone sealant, highly elastic and resistant to mould. Available in all the colours in the Mapei grouts collection. Pure, mould-resistant, acetic silicone sealant with Bio Block® technology for movements up to 25%. Key Features High elasticity Mould-resistant (Bio Block® technology)Solvent-free Strong and durable Maximum guarantee Perfect adhesion Smooth and elastic High thermal and chemical resistance Excellent durability Wide range of colours MAPESIL AC 4811291IT (112) MEDIUM GREY | Mapei Mapesil AC 112 310ml Solvent Free Silicone Sealant | Medium Grey | 50mm x 230mm x 50mm