Bostik Cementone SBR is an essential additive that significantly enhances and waterproofs mortar mixes. This 5-litre container provides for substantial coverage, proving ideal for larger construction projects or frequent use. This product is designed to improve the characteristics of sand/cement mixes, providing increased adhesion, reduced shrinkage and enhanced durability. Its suitable for both internal and external applications, making it a versatile choice for a wide range of repair and maintenance tasks.