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Half Round

Cast Iron Half Round Gutters

Explore traditional Half Round Cast Iron Guttering at Rainclear Systems, the most popular and traditional choice of gutter profile for both heritage properties and modern homes seeking this characteristically traditional aesthetic. This range features cast iron half-round gutters, combining the timeless appeal of traditional cast iron with the durability and functionality required for effective rainwater drainage.

  • Manufactured by Alumasc and part of the Apex Cast Iron collection
  • Available in a variety of sizes and finishes, including primed for on-site painting or pre-painted options, to meet the specific needs of your project
  • Choose from 8 standard RAL colours to customise your guttering system
  • Long-lasting with proven longevity 
  • 100% recyclable, highly sustainable and cost-effective
  • Offers a blend of aesthetic appeal and durability
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  1. 100mm (4") Half Round Cast Iron Gutter 1.83m Length - Primed
    100mm (4") Half Round Cast Iron Gutter 1.83m Length - Primed
    £42.78
    Estimated Delivery date is 27/01/2026
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  2. 100mm (4") Half Round Cast Iron Gutter 1.83m Length - Black
    100mm (4") Half Round Cast Iron Gutter 1.83m Length - Black
    £48.26
    Estimated Delivery date is 27/01/2026
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  3. 100mm (4") Half Round Cast Iron Gutter 1.83m Length - Pre-Painted Colour
    100mm (4") Half Round Cast Iron Gutter 1.83m Length - Pre-Painted Colour
    £48.26
    Estimated Delivery date is 23/02/2026
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  4. 100mm (4") Half Round Cast Iron Fascia Bracket - Primed
    100mm (4") Half Round Cast Iron Fascia Bracket - Primed
    £6.33
    Estimated Delivery date is 27/01/2026
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  5. 100mm (4") Half Round Cast Iron Fascia Bracket - Black
    100mm (4") Half Round Cast Iron Fascia Bracket - Black
    £6.84
    Estimated Delivery date is 27/01/2026
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  6. 100mm (4") Half Round Cast Iron 75mm (3") Gutter Outlet - Primed
    100mm (4") Half Round Cast Iron 75mm (3") Gutter Outlet - Primed
    £17.37
    Estimated Delivery date is 27/01/2026
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  7. 100mm (4") Half Round Cast Iron Fascia Bracket - Pre-Painted Colour
    100mm (4") Half Round Cast Iron Fascia Bracket - Pre-Painted Colour
    £6.84
    Estimated Delivery date is 23/02/2026
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  8. 100mm (4") Half Round Cast Iron 75mm (3") Gutter Outlet - Black
    100mm (4") Half Round Cast Iron 75mm (3") Gutter Outlet - Black
    £19.55
    Estimated Delivery date is 27/01/2026
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  9. 100mm (4") Half Round Cast Iron 65mm (2.5") Drop End Gutter Outlet - External -  Black
    100mm (4") Half Round Cast Iron 65mm (2.5") Drop End Gutter Outlet - External - Primed
    £17.37
    Estimated Delivery date is 27/01/2026
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  10. 100mm (4") Half Round Cast Iron 65mm (2.5") Drop End Gutter External Outlet - Black
    100mm (4") Half Round Cast Iron 65mm (2.5") Drop End Gutter External Outlet - Black
    £19.55
    Estimated Delivery date is 27/01/2026
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  11. 100mm (4") Half Round Cast Iron 65mm (2.5") Drop End Gutter Outlet -  Internal - Black
    100mm (4") Half Round Cast Iron 65mm (2.5") Drop End Gutter Outlet - internal - Primed
    £17.37
    Estimated Delivery date is 27/01/2026
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  12. 100mm (4") Half Round Cast Iron 65mm (2.5") Drop End Gutter internal Outlet -  Black
    100mm (4") Half Round Cast Iron 65mm (2.5") Drop End Gutter internal Outlet - Black
    £19.55
    Estimated Delivery date is 27/01/2026
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  13. 100mm (4") Half Round Cast Iron Internal Stop End - Primed
    100mm (4") Half Round Cast Iron Internal Stop End - Primed
    £6.10
    Estimated Delivery date is 27/01/2026
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  14. 100mm (4") Half Round Cast Iron Internal Stop End - Black
    100mm (4") Half Round Cast Iron Internal Stop End - Black
    £6.89
    Estimated Delivery date is 27/01/2026
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  15. 100mm (4") Half Round Cast Iron External Stop End - Primed
    100mm (4") Half Round Cast Iron External Stop End - Primed
    £6.10
    Estimated Delivery date is 27/01/2026
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  16. 100mm (4") Half Round Cast Iron External Stop End - Black
    100mm (4") Half Round Cast Iron External Stop End - Black
    £6.89
    Estimated Delivery date is 27/01/2026
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  17. 100mm (4") Half Round Cast Iron 90 degree Gutter Angle - Primed
    100mm (4") Half Round Cast Iron 90 degree Gutter Angle - Primed
    £17.93
    Estimated Delivery date is 27/01/2026
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  18. 100mm (4") Half Round Cast Iron 90 Degree Gutter Angle - Black
    100mm (4") Half Round Cast Iron 90 Degree Gutter Angle - Black
    £20.29
    Estimated Delivery date is 27/01/2026
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  19. 100mm (4") Half Round Cast Iron 135 degree Gutter Angle - Primed
    100mm (4") Half Round Cast Iron 135 degree Gutter Angle - Primed
    £17.93
    Estimated Delivery date is 27/01/2026
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  20. 100mm (4") Half Round Cast Iron 135 Degree Gutter Angle - Black
    100mm (4") Half Round Cast Iron 135 Degree Gutter Angle - Black
    £20.29
    Estimated Delivery date is 27/01/2026
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  21. 100mm (4") Half Round Cast Iron Gutter Union - Primed
    100mm (4") Half Round Cast Iron Gutter Union - Primed
    £11.85
    Estimated Delivery date is 27/01/2026
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  22. 100mm (4") Half Round Cast Iron Gutter Union - Black
    100mm (4") Half Round Cast Iron Gutter Union - Black
    £13.30
    Estimated Delivery date is 27/01/2026
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  23. 100mm (4") Half Round Side Fix Rafter Bracket for Cast Iron Gutter  - Zinc Plated
    100mm (4") Half Round Side Fix Rafter Bracket for Cast Iron Gutter - Zinc Plated
    £4.05
    Estimated Delivery date is 27/01/2026
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  24. 100mm (4") Half Round Side Fix Rafter Bracket for Cast Iron Gutter  -Black
    100mm (4") Half Round Side Fix Rafter Bracket for Cast Iron Gutter -Black
    £4.97
    Estimated Delivery date is 27/01/2026
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  25. 100mm (4") Half Round Top Fix Rafter Bracket for Cast Iron Gutter  - Zinc Plated
    100mm (4") Half Round Top Fix Rafter Bracket for Cast Iron Gutter - Zinc Plated
    £4.05
    Estimated Delivery date is 27/01/2026
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  26. 100mm (4") Half Round Top Fix Rafter Bracket for Cast Iron Gutter  - Black
    100mm (4") Half Round Top Fix Rafter Bracket for Cast Iron Gutter - Black
    £4.97
    Estimated Delivery date is 27/01/2026
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  27. 100mm (4") Half Round Rise & Fall Bracket for Cast Iron Gutter  - Zinc Plated
    100mm (4") Half Round Rise & Fall Bracket for Cast Iron Gutter - Zinc Plated
    £8.84
    Estimated Delivery date is 27/01/2026
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  28. Zinc 'Stay' for all Rise & Fall Brackets for Cast Iron Gutter - prepainted Black
    Zinc 'Stay' for all Rise & Fall Brackets for Cast Iron Gutter - prepainted Black
    £3.40
    Estimated Delivery date is 27/01/2026
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  29. 100mm (4") Half Round Rise & Fall Bracket for Cast Iron Gutter  - Black
    100mm (4") Half Round Rise & Fall Bracket for Cast Iron Gutter - Black
    £10.62
    Estimated Delivery date is 27/01/2026
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  30. Zinc 'Stay' for all Rise & Fall Brackets for Cast Iron Gutter
    Zinc 'Stay' for all Rise & Fall Brackets for Cast Iron Gutter
    £2.67
    Estimated Delivery date is 27/01/2026
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