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 135 Golden Dust 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. Mapei Mapesil AC Window Sealant, Mildew Resistant Mapesil Mapei AC Sealant - Ideal for sealing and sealing joints around glass and tiled surfaces Mildew Resistance: Formulated to resist mold and fungus growth in humid environments Versatile use: suitable for indoor and outdoor use Available in a variety of colors to suit different decors, Weight: 0.6834330122 pounds, Manufacturer: Mapei