You can use the Harmer 150mm x 3m SML Drain Pipe as part of a Harmer SML cast iron below ground drainage system that directly connects soil, drain and sewer.Cast iron offers a durable but lightweight drainage solution with high tensile and load bearing strength, and will not distort at extreme temperatures so there is no need for expansion joints, deflection bends or other expansion control measures.With better resistance to chemical attack, degradation and ground movement than plastic drainage systems, Harmer SML cast iron is low maintenance and sustainable choice with a 40+ year lifespan, after which It is 100% recyclable.

• Ideal for heavy duty and exposed applications such as schools, carparks, hospitals and shopping centres as well as industrial and residential settings

• Manufactured, tested and kite mark certification for BS EN 877

• Low coefficient of thermal expansion so no need to change material in sensitive areas

• Non-combustible with no need for expensive fire protection collars

• Secure dry jointed, socketless fixing between pipe and fittings

• Quiet acoustic performance with usually no need for sound insulation

• Minimal maintenance required thanks to interior epoxy coating and exterior anti-corrosive primer

• Quick to install with twin screw couplings, fewer brackets and no need for specialist experience or equipment

• Dimensions: 150mm x 3m