25 L Drum of Bostik SBR. Specially modified Styrene Butadiene Co-polymer latex for cement and mortar. Toughens, waterproofs and improves chemical and abrasion resistance of renders, screeds, and other cement based mixes. Improves adhesion, flexibility and helps reduce cracking Toughens floors and screeds Ideal for damp and wet conditions Improves frost, water, chemical and abrasion resistance Can be used as pointing, patching and bedding, waterproof rendering, tanking and flooring, bonding aid for render and plaster and primer systems Specially modified Styrene Butadiene Co-polymer latex for cement and mortar