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Established 1893   |   BS 460:2002 Certified   |   UK & International Supply   |   Expert Technical Support   |   0333 987 4452

Paints & Finishes

Tuscan Foundry Products · Est. 1893

The Heritage
Colour Collection

Thirty-eight colours formulated for cast iron, selected from centuries of British architectural tradition. Each one ground in raw linseed oil — a finish that breathes, self-heals, and endures.

38
Heritage Colours
7
Colour Families
Est. 1893
In Production

Why linseed oil
paint for cast iron?

Linseed oil paint is not a modern product. It has been used to protect and colour cast iron since the material first came into widespread architectural use in the early nineteenth century. It is the most historically authentic finish available for cast iron gutters, downpipes, hoppers, and associated ironwork on listed and historic buildings.

Unlike conventional alkyd or acrylic systems, linseed oil paint does not form a brittle surface film. It penetrates and bonds with the iron, remaining flexible as the metal expands and contracts. It self-heals at minor scratches, is fully vapour-permeable, and its natural pigments develop a patina over time that no manufactured paint can replicate.

For conservation officers, architects, and specifiers working on listed buildings, linseed oil paint is increasingly accepted — and in some cases preferred — by local planning authorities as the appropriate finish for external metalwork.

Full Linseed Oil Paint Specification Guide →

01
Historically Authentic
The original finish for cast iron architectural metalwork. Used continuously since the early nineteenth century on buildings of every period and status.
02
Penetrating & Flexible
Bonds with the metal rather than forming a surface film. Remains flexible through thermal movement, resisting cracking and delamination.
03
Self-Healing
Minor scratches are absorbed and re-sealed over time. Maintenance cycles are significantly extended compared with conventional systems.
04
Vapour-Permeable
Breathes with the building. Moisture is not trapped beneath the coating — critical for cast iron on historic structures.
05
Conservation-Accepted
Recognised as the appropriate and preferred finish for metalwork on listed buildings and scheduled monuments.
06
Natural Pigments
Drawn from mineral and earth sources — many in use since the medieval period. Each colour develops a living patina with age and light.
Colour Family

Specify a Colour

Samples are available on request. Our team can advise on colour selection for specific buildings, settings, and planning authority requirements.

Request a Sample Specify Cast Iron
Historical Note
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Sales & Customer Services:
0333 987 4452

Tyn-Y-Clyn
Llanafarn Fawr
Builth Wells
Powys LD2 3LU
United Kingdom

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Tuscan Foundry Products Logo Black
Find out more about our products by giving us a call
0333 987 4452

Tuscan Foundry Products, Tyn-Y-Clyn, Llanafan Fawr, Builth Wells, Powys LD2 3LU, United Kingdom

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