Cast Iron Superstore is a UK supplier specialising in cast iron rainwater systems for heritage, period and listed properties. The company says it has served customers for over a decade, offering specialist product knowledge and guidance from a team of cast iron experts. Its range is designed to combine traditional appearance with durability and historical accuracy, with products described as suitable for listed buildings.

The online store sells cast iron gutters in several profiles and sizes, including plain, beaded and deepflow half-round styles, Moulded Ogee No. 46, Victorian Ogee and Notts Ogee. Options include transit-primed and painted finishes. Matching cast iron downpipes are available in round and rectangular shapes, alongside decorative hopper heads with round or rectangular outlets. The catalogue also includes sundries for guttering projects.

Cast Iron Superstore promotes secure online shopping, competitive pricing and weekday phone support. Customers can browse products and request a quote through the website, while the company provides technical guides and information about delivery and returns.