All Alumasc Cast Aluminium Downpipes

Cast aluminium pipes are made using a moulding process, giving a thicker wall and traditional look that mimics cast iron but with a fraction of the weight. This makes them ideal for heritage buildings and high-end new builds.

Yes - they’re regularly specified for period restorations as well as contemporary developments where durability and design matter equally.

When installed correctly, they can last over 40 years. The polyester powder coating gives excellent weather resistance with minimal maintenance.

ou can, provided transitions are planned with matching fittings. For example, circular hoppers feeding into square or rectangular pipes is common on mixed-style buildings.

Standard stainless-steel or non-ferrous fixings are fine. Avoid mild steel screws which can cause rust streaks over time.

Very - aluminium is infinitely recyclable and requires minimal maintenance, so it’s one of the most sustainable rainwater materials available.

Yes, Alumasc offers over 200 RAL colours, with matt, satin, and gloss options. This allows a perfect match to façades or existing metalwork.

Just check annually for blockages, clean debris, and touch up any scuffs using the supplied paint. No rust treatment or repainting cycles are needed.