Create flexible, long-lasting seals with Mapesil LM Black 120 Silicone Sealant 310ml. Specially designed for natural stone, marble and other delicate surfaces, this neutral-cure silicone helps create a secure seal without staining the surrounding material. Its flexible formula allows for movement in joints, while BioBlock technology helps resist mould growth. Solvent-free and odourless during use, it is suitable for both interior applications and external facades.