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Cast iron products collage




Sandhurst Gutters foundry


Cast iron rainwater products collage



At the Cast Iron Superstore using a UK manufacturer we have access to the largest stocks of all cast iron guttering, and rainwater products. We also have painted and primed options for all products.

We have a full range of cast iron gutters and downpipe products, including:

We have a full range of cast iron gutters and downpipe products, including:

Plus a full range of cast iron fittings, hopper heads and much more.

We offer first class customer service, with a ‘the customer is always right’ attitude. With our many years experience in the rainwater industry we are able to give all of our customers a truly satisfying working relationship.

We supply direct to both trade and public & offer the most competitive prices along with the best quality cast iron products on the market.

We also deliver direct to you, wherever you need. Delivery is free if you spend over £500, or £29.50 otherwise.

Got a guttering, rainwater or soil pipe project? Cast Iron Superstore is #justthejob

Speedy Delivery
Take-offs from architectural drawings
Bespoke and specially manufactured items
Huge stocks


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Cast iron gutters and cast iron guttering products have been a popular choice for many years. They're timeless, elegant and hard-wearing, giving a classic look to any building. Modern cast iron gutters and cast iron downpipes look elegant, are extremely strong and can last a lifetime.

Cast iron guttering is also much more durable than plastic guttering, and does not crack or fade when exposed to the British weather.

It's also a more sustainable and environmentally-friendly solution too, as it can be recycled when it finally comes to the end of its life.

All of our cast iron gutters, hoppers, downpipes and other rainwater products are sourced from Hargreaves Foundry in the UK. Buy British!


About Cast Iron Guttering

As its name suggests, cast iron guttering is made out of cast iron. It's a hard, relatively brittle alloy of iron and carbon which is cast in a mould. Cast iron contains a higher proportion of carbon than steel (typically 2 to 4 percent).

Cast iron guttering has been used for many years and has a much more classic look. It's often used on old, classic and heritage buildings, where the use of cast iron gutters is more appropriate than plastic.

In fact, it can often last for over 50 years if properly maintained.

We sell a wide range of cast iron guttering and cast iron rainwater systems, in a variety of styles and profiles to suit your building.
Click here to take a look at our range.

Cast iron guttering is more popular now in architectural projects than it has ever been, ensuring a hard-wearing solution to rainwater problems.

Features of cast iron guttering

  • We stock round rainwater pipes in a choice of 65mm, 75mm, 100mm and 150mm diameters and in standard lengths of 0.6m, 0.9m, 1.2m and 1.8m. Produced by the centrifugal cast method which offers uniformity of shape and thickness.
  • With the introduction of the H16 Gutter, our Premier standard rainwater range now includes 8 gutter profiles in a variety of different sizes with capacities of up to 3 litres per second.
  • Our selection of standard rainwater heads now includes the H1 and H1A designs.
  • Rainwater diverter kits allow rainwater harvesting through facilitating connection to a water butt, and they are supplied with comprehensive installation instructions. Offered in 3 sizes as standard, bespoke diverter kits can also be made to fit any pipe.
  • New design loose pipe sockets with spigots enable cost saving through utilisation of pipe offcuts.
  • Half-round gutter jointing kits consisting of 10 EPDM ruber gaskets, nuts and washers provide time-savings at point of installation.

Strength and Durability of cast iron gutters

  • Premier pipes are highly-resistant to distortion caused by accident or vandalism.
  • Cast iron gutters are able to withstand the weight of ladders for roof maintenance.
  • Gutters will not bend and sag when subjected to heavy snow and storms.

Life of cast iron guttering

  • Premier rainwater systems can last in excess of 100 years when correctly installed and maintained.
  • A long life expectancy makes cast iron gutters the cost effective choice.
  • Annual maintenance checks should be carried out. Occasional repainting may be required after the annual maintenance checks. This is especially important in coastal areas or areas of high pollution levels.
  • Cast iron guttering is 100% recyclable at the end of its life.

Quiet operation of cast iron gutters

  • Low noise levels due to the sound-deadening properties of cast iron.
  • Very little expansion and contraction even in extreme temperatures, therefore no noisy clicking, creaking or permanent deformation of gutters.
  • Cast iron gutters will not rattle in high winds.

Bespoke cast iron guttering

  • Specialist casting and fabrications can be created to fit the specific requirements of your building structure (pattern charges may apply). Please email us for more details.
  • Ears can be added to any standard rainwater fitting on request.
  • Radius curved gutters can be made to match any of the standard profiles
  • Standard rainwater heads can be customised with dates or embellishments.

Quality of cast iron gutters

  • Premier rainwater products are manufactured in accordance with BS460.
  • Our traditional range of cast iron rainwater goods is primed in standard grey metal primer with rust inhibitors.
  • The standards for rainwater goods have been in existence for a significant period of time which means that replacing or integrating with an existing system can, in most cases, be completed with ease.
  • Our Premier Extra Gloss paint has been developed specially for use with our cast iron rainwater products.