K-Rend Silicone K1 render has been designed to include the benefits of silicone ater repelants into a cement based render. The render is easy to use, is self coloured, polymer modified and requires only the addition of water and 10 minutes of mixing time. Silicone K1 has excellent handling properties and has been designed for use with spray machines and will provide an attractive low maintenance finish on a variety of substrates.