Smith Brothers works with Ensign, a brand leader offering cast iron drainage for below ground applications and bridge drainage which offers high performance whilst remaining lightweight. For internal or rainwater drainage, SBS can offer a total solution from roof outlet to below-ground drainage, to ensure optimum efficiency. The range can suit most project requirements consisting of cast iron soil and waste systems (including drainage pipes), floor drains, shower drainage and wet-room ranges provide a total solution whether it is connected to the plumbing fittings or linking with underground sewer systems. The cast iron system is noncombustible with high tensile strength and excellent noise attenuation. With fully certified products to EN 877, CE and Kitemarked along with BBA certification, quality is ensured backed up with technical support and warranties.