One Coat Base Ecorend OCR One Coat Base is a cement-based product, which is British Board of Agrément approved. A high-performance, W2 water repellent, versatile base coat that can be used as a scratch base coat ready to receive a through coloured render, or as a flat finish ready to receive a thin coat render. The product utilises our cutting-edge trowel technology which makes the product easy to apply by hand or by spray, in one coat.
