Ferro-cement, a layer of steel mesh (chicken mesh) embedded in mortar, is a durable, waterproof, versatile and economical solution that can be used for roofs. Despite its obvious advantages, ferro-cement is not used extensively in developing countries due to lack of know-how. The poster illustrates all stages of its production, channels that can be used for floors and roofs including manufacturing of the mould, casting the channel, transport of channels with detailed drawings and specifications.