Customers' Choice Alumasc 100 X 75mm (4"x3") Cast Aluminium Downpipe 75mm Offset - One Of 26 Standard Matt Ral Colours Tbc Add To Cart [zPt8epnx]

Full Dimensions Guide Available Here

The Alumasc Heritage Square/Rectangular Aluminium Downpipe range is the ideal solution for period-style and heritage buildings that require a traditional architectural finish with the performance of modern materials.

Designed to replicate the classic aesthetic of cast iron downpipes, this system is widely specified for churches, listed buildings, and conservation projects, while also being perfectly suited to modern fast-track contracts.

Manufactured in the UK from high-quality, recyclable extruded aluminium, these downpipes are lightweight, corrosion-resistant, and easy to install using welded-on eared sockets for secure wall fixing.

✅ Official retailer of Alumasc aluminium products
✅ Available in 1m, 2m, and 3m lengths with full range of fittings
✅ 26 Standard BBA-approved powder-coated colours
✅ Custom RAL/BS shades and mill finish available
✅ Delivery in 7–10 working days from point of order

Authentic Heritage Style, Engineered for Longevity

Alumasc’s square aluminium downpipes are part of the Heritage range, designed with socketed joints and traditional styling details that complement period architecture.

The loose cast sockets make fitting fast and straightforward, delivering a clean, authentic finish that aligns with both restoration and new-build projects.

They are particularly popular in:

• ⛪ Churches and chapels