render additive
-
£6.24 ex. VATEVERBUILD OPTI-MIX 3-IN-1 RENDER ADDITIVE is a highly concentrated, triple-action formula designed to enhance the performance of render mixes. 25 times stronger than conventional render additives, it acts as a waterproofer, air-entraining plasticiser, and open-time extender, eliminating the need for separate admixtures. The additive forms stable air bubbles in the mix, improving workability for a smoother, “buttery” consistency while preventing shrinkage, cracking, crazing, and frost damage. It also reduces water absorption, minimizes efflorescence, and enhances resistance to fre
