Clay-based drainage networks have served well in Britain for generations, due to their natural makeup, durability, and resistance to wear. Made from kiln-fired clay, these systems deliver strong chemical resistance and lasting functionality, making them suitable for handling both foul and surface water. Even with the rise of plastic piping, clay co

Clay drainage systems have been in use throughout the UK for hundreds of years, valued for their endurance, earth-derived materials, and robust long-term capability. Crafted from fired clay, these systems demonstrate excellent chemical resistance, fitting both foul and surface water management. Despite the introduction of synthetic alternatives lik

Here at WT Knowles, we are often asked about clay chimney cowls. It might surprise you that there is more to learn than you would think. Before we talk about clay chimney cowls, let’s start off with what chimney cowls really are. What is a cowl on a chimney? Chimney cowls are usually made from red clay or metal coverings that are fitted to