Beaded Half Round cast iron guttering takes the simplicity of a traditional plain half round profile and adds sharper architectural detailing through the raised front bead. It’s a small detail, but on the right building it changes the whole roofline. The profile feels more finished, more traditional, and slightly more decorative without becoming overly ornate like some deeper ogee systems.
That’s exactly why Beaded Half Round cast iron guttering became so widely used across Victorian and Edwardian homes, churches, civic buildings, and heritage properties throughout the UK.
The Alumasc Apex Heritage Beaded Half Round cast iron guttering range beautifully combines authentic traditional styling with the consistency and reliability expected on modern projects. Manufactured using genuine sand cast methods and produced to BS460 standards, the system is designed for long-term exterior performance across restoration work, conservation projects, traditional new-build homes, and commercial heritage developments. Pairs with the cast iron downpipes we offer.
Unlike lightweight imitation cast iron effect guttering, genuine Apex cast iron rainwater systems have real depth, weight, and presence once installed. The painted finish sits cleaner, the joints align properly, and the detailing around brackets, outlets, and downpipes simply looks more authentic on older buildings.
Factory painted black cast iron guttering and custom RAL powder coated finishes are available across the range, alongside matching cast iron downpipes, hopper heads, unions, angles, stop ends, and brackets for a complete heritage rainwater system. Matching cast iron hopper heads also available.
- Sale price £35.70 Regular price £49.38Unit price
- Sale price £35.70 Regular price £49.38Unit price
- Sale price £35.70 Regular price £49.38Unit price

Why Choose Alumasc Apex Beaded Half Round Guttering?
Cast Iron Rainwater Frequently Asked Questions
How Quick Is Delivery?
How Quick Is Delivery?
Popular painted black cast iron guttering sizes are typically available for next working day delivery across the UK when ordered before 11:30am, subject to stock availability.
Primed systems are stocked across selected sizes, while custom RAL powder coated cast iron guttering is usually supplied within 7–10 working days.
What Makes Apex Heritage Different From Cheaper Cast Iron Systems?
What Makes Apex Heritage Different From Cheaper Cast Iron Systems?
We think the consistency is noticeably better. Apex Heritage cast iron guttering is manufactured using traditional sand cast methods alongside modern quality control standards, giving cleaner alignment, more reliable fitment, and a far better painted finish compared with lower-grade imported systems.
What Size Cast Iron Guttering Do I Need?
What Size Cast Iron Guttering Do I Need?
For most standard residential properties, 115mm (4½”) Half Round cast iron guttering is the most commonly used size. Larger roofs, commercial buildings, or areas with heavier rainfall may benefit from 125mm or 150mm systems. If you're replacing existing guttering, matching the current profile and outlet size is usually the safest option.
Is Cast Iron Better Than Cast Iron Effect Plastic Guttering?
Is Cast Iron Better Than Cast Iron Effect Plastic Guttering?
They’re completely different products really. Plastic cast iron effect guttering is lighter and cheaper upfront, but genuine cast iron is significantly stronger, longer lasting, and far more authentic visually. Proper cast iron guttering can last well over 40 years and suits heritage buildings far better than imitation systems.
Are Custom Colours Available?
Are Custom Colours Available?
Yes. Custom RAL colour cast iron guttering is available for heritage and architectural projects requiring a more bespoke finish. These systems are professionally powder coated in the UK with typical lead times of 7–10 working days.
How Heavy Is Cast Iron Guttering?
How Heavy Is Cast Iron Guttering?
Cast iron guttering is substantially heavier than plastic or aluminium systems, which is part of why it lasts so long. Proper bracket spacing and secure fixing into suitable surfaces is important for long-term performance.
How Long Does Cast Iron Guttering Last?
How Long Does Cast Iron Guttering Last?
High quality cast iron guttering systems regularly achieve service lives exceeding 40 years when correctly installed and maintained. Many older cast iron systems remain in use well beyond that.
What Happens If I Order The Wrong Parts?
What Happens If I Order The Wrong Parts?
Returns are accepted within 30 days on standard stock items. Orders returned within 14 days are generally accepted without a restocking charge, while returns after 14 days may be subject to a handling fee depending on the products ordered.
Do You Offer Trade Support?
Do You Offer Trade Support?
Yes. We work closely with builders, roofing contractors, installers, architects, and developers needing specification support, bulk pricing, and reliable lead times across larger cast iron rainwater projects.