OPTIMIX SF818 SELF-LEVELLING SCREED is specially designed to be easy to mix and apply with a flowable consistency that achieves a smooth surface to receive rigid or flexible tiles, sheet finishes, paint or other similar finishes. It is a proprietary pre-blended cementitious self levelling screed comprising cements, aggregates, modified polymers and additives, to BS EN 13813 and is suitable for foot traffic without floor finishes or with selected finishes. Formulated with low shrinkage to reduce cracking, it can be poured or pumped in thicknesses from 3mm to 20mm in one operation.