Swaged extruded downpipe system offers an economic metal downpipe system, available in circular pipes in a choice of three sizes.

Key Features


  • Contemporary pipework system suitable for both new build and refurbishment projects
  • Compatible with AX extruded gutter range
  • Long life alternative to uPVC gutters
Downpipe Profiles


Available in:

63mm SW25
75mm SW30
100mm SW40
  • Circular downpipe, in a choice of three sizes
  • Expanded pipe end to create integral connection
  • Lightweight, durable and non-corrodible
  • Material hardness and fixing mechanisms give excellent rigidity and high impact resistyance
  • Life expectancy of aluminium: 40 years (rural/ suburban areas); up to 25 years (industrial / marine areas)
  • Easy to handle and fix
  • Aluminium is 100% recyclable
  • BBA approved polyester powder coatings, factory applied at Alumasc
  • 26 standard colours with additional BS or RAL colours available to special order
  • Also available in plain mill finish for on-site painting
  • UK Manufactured
  • Made from extruded aluminium 6063 T6 alloy to BS EN 12020, BS EN 515:2017, BS EN 5732013 and BS EN 755
Colours Available

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  • Swaged pipework is built from the gutter downwards starting with the offset
  • Standard pipe clips can be used to fix the pipe work to the building facade
  • Minimal maintenance requirements
Installation Guide Swaged Downpipes

Download the Swaged installation guide here.