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Elevate your rainwater system with Alumasc Cast Aluminium Half Round Guttering, expertly engineered for both heritage and modern buildings.
Whether you’re restoring a period property or working on a new build that calls for traditional detailing, this system delivers exceptional results without compromising on appearance or function.
Next working day delivery on Textured Black finish(order by11:30am)
Custom RAL & BS colours available to match any architectural style
Official UK Alumasc Retailer
Rated excellent on Trustpilot, backed by a trained technical team
Trusted, high-quality heritage aluminium rainwater system used across the UK
Authentic Heritage Styling Ideal for traditionally styled homes, listed buildings, churches and conservation areas
Modern Performance Non-corrosive and weather-resistant, with a lifespan of up to 40 years in rural settings
Cast Appearance, Aluminium Benefits Get the cast iron look without the weight or risk of rust. We also supply other aluminium guttering profiles.
Textured Black (cast iron effect) Ready for next-day dispatch (order by 11:30am) – one of the fastest dispatch times in the UK for this system.
26+ Factory-Applied Colours Using Alumascs BBA-approved polyester powder coatings. 7-10 Day Delivery Time.
Plain Mill Finish Ready for site painting
Bespoke BS or RAL shades Available to order for custom requirements. Feel free to send over your drawings.
Every finish is applied in Alumascs UK facility for consistent colour and long-term performance.
Made in the UK to BS 2997:1958 (1980)
Suitable for both flush and projecting eaves
Lightweight and easy to handle
Wet-sealed and bolted joints for secure, leak-free installation
Compatible with a wide range of brackets and accessories
Thanks to its simple jointing system and clear design options, this gutter is perfect for both traditional craftsmen and modern contractors alike.
Once installed, Alumasc cast aluminium half round gutters require minimal upkeep. A simple clean now and then will keep your system looking its best for decades.
And because theyre made from 100% recyclable aluminium, theyre also a sustainable, low-waste choice.