5L Integral Water Resistant Liquid Mortar Render Plasticiser 5 Litre Bond It Description A premium grade integral water resistant plasticiser designed to improve resistance to water penetration both internally and externally, whilst giving all the benefits of a mortar plasticiser. Bond It INTEGRAL WATER RESISTANT PLASTICISER: Improves the plasticity of the mix making it easier to use. Retards suction in multilayer renders. Reacts with free lime in the mortar to form hydrophobic crystals which block the pores, thereby improving the water resistance of the mix. Conforms to EN9343. Uses To help mortars and renders resist external and/or internal water pressures. Suitable for use on renderings, retaining walls, swimming pools, roof screeds, .