Aluminium Gutters Direct

Alumasc Steel Half Round Guttering

Shop by
manufacturer

Official supplier
4.9 across Google & Trustpilot BBA-certified powder coatings Manufacturer warranties on every range
Not sure which? Call the technical desk 0330 0539354
Alumasc Infinity Steel - Union Clip 120mm - Aluminium Gutters Direct
Alumasc
Alumasc Infinity Steel - Union Clip 120mm
From £12.94 £26.96
-52%
In stock
Alumasc High Tech Adhesive - Aluminium Gutters Direct
Alumasc
Alumasc Screw for M10 Boss
From £0.82 £1.72
-52%
In stock

ALUMASC STEEL HALF ROUND GUTTERING · COMMON QUESTIONS

Something not answered here? The technical desk takes calls on 0330 0539354
What makes steel half round a practical choice?
It’s light, durable, and straightforward to install with minimal expansion movement compared to plastic or aluminium.
Is steel half round suitable for heritage work?
Yes. Its curved profile mirrors traditional shapes, and pre-finished coatings can replicate aged zinc or iron tones.
How are joints sealed?
By hidden brackets or strap supports at close centres due to the larger water volume they carry.
What’s the expected lifespan of Alumasc copper, zinc and steel rainwater systems?
Copper and zinc systems can last 80–100 years in the right environment, developing a natural patina that protects the metal. Galvanised or coated steel systems generally last 40–60 years depending on coating type, exposure and maintenance.
Do these materials require ongoing maintenance?
Minimal maintenance is needed. Periodic clearing of leaves and checking fixings is sufficient. The metals naturally form protective oxide layers or coatings, so repainting is not required unless specified.
Are Alumasc metal rainwater systems sustainable?
Yes. Copper, zinc and steel are all infinitely recyclable with minimal loss of quality. Alumasc sources responsibly produced metals with high recycled content and low embodied carbon.
How are joints sealed and connected?
Most systems use mechanical joints or sliding connections with EPDM or neoprene gaskets. Copper and zinc are usually jointed by soldering, standing seams or hidden clips, while steel systems use push-fit or bolted unions with gaskets.
Can different metals be mixed in the same installation?
Mixing dissimilar metals should be avoided due to galvanic corrosion risk. Always use separation layers, same-metal fittings, and compatible fasteners recommended by Alumasc.