* Water resisting plasticiser for improving renders and screeds * Air entraining plasticiser * Retarder * Concentrated version available - Optimix Render Additive Sika Rendermix is a water resisting plasticiser for improving renders and screeds, and preventing water bleed from fresh mortar. Sika Rendermix can also be used as a water reducer, to inhibit passages of salts for external or internal rendering and screeding, as well as improving the mortar for pebble dashing. Adding Sika Rendermix low

Brand Name	Sika