weberfloor 4310 fibre flow is a pump-applied, fibre-modified floor screed formulated from special cements, aggregates, supplementary binders and chemical admixtures. It is supplied as a pre-blended dry powder designed for application at a thickness of between 5 – 50 mm. The product is casein-free. weberfloor 4310 fibre flow is designed for the renovation of existing floors and floating floor construction in domestic and commercial applications. The levelled floor can be covered with ceramics, terrazzo, PVC, linoleum etc.