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Alumasc Steel Downpipes

At Gutter Centre, we offer high-performance Alumasc steel downpipes as part of the Alumasc Rainwater system. These lightweight yet robust downpipes provide a modern, sustainable, and cost-effective alternative to traditional plastic systems, ideal for both commercial and residential projects.

Available in 80mm and 100mm diameters, Alumasc steel downpipes are designed to complement matching steel gutter profiles in sizes 100 x 70mm, 125 x 80mm, 150 x 90mm, and 190 x 90mm. Their sleek, modern finish makes them a popular choice for contemporary architecture, while their strength and weather resistance ensure long-lasting performance.

These downpipes are available in a galvanised finish or a black pre-coated finish, with six additional galvanised PPC colour options available on request. Installation is fast and straightforward thanks to the innovative dry-joint system, which eliminates the need for silicone sealants and ensures a clean, secure fit.

Key Features of Alumasc Steel Downpipe

  • Lightweight steel construction with high strength and durability
  • Available in 80mm and 100mm round profiles
  • Matches Alumasc steel guttering systems for seamless integration
  • Dry-joint system – no sealants required
  • Galvanised or black PPC finishes; additional colours available to order
  • Fast, clean installation suitable for new builds and refurbishments

If you’re looking for a modern rainwater drainage solution with proven durability and low maintenance, Alumasc steel downpipes deliver both performance and style. For a quote or specification support, contact our team on 0330 223 1731 or email sales@guttercentre.co.uk

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular Downpipe x 3m (SRW)
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Alumasc Infinity Steel Circular Downpipe x 3m (SRW)

Infinity Steel Circular Downpipe x 3m available ex-stock in Plain Galvanised & Polyester Pre-Coated Black - Plus a choice of six contemporary colours to suit your project
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£33.54 Ex VAT£40.25 Inc VAT

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Estimated delivery 3-5 working days
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Alumasc Infinity Steel... Alumasc Infinity Steel Circular Downpipe connection (SRW)
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Alumasc Infinity Steel Circular Downpipe connection (SRW)

Infinity Steel Circular Downpipe connection available ex-stock in Plain Galvanised & Polyester Pre-Coated Black - Plus a choice of six contemporary colours to suit your project
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£6.34 Ex VAT£7.61 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular Pipe Clip (SRW)
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Alumasc Infinity Steel Circular Pipe Clip (SRW)

Infinity Steel Circular Pipe Clip available ex-stock in Plain Galvanised & Polyester Pre-Coated Black - Plus a choice of six contemporary colours to suit your project
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£3.42 Ex VAT£4.10 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular Pipe Clip M10 Boss
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Alumasc Infinity Steel Circular Pipe Clip M10 Boss

Steel Circular Pipe Clip M10 Boss, requires separate M10 screw which must be purchased separately, used to secure to structure
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£3.89 Ex VAT£4.67 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular Offset 70 degree Bend (SRW)
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Alumasc Infinity Steel Circular Offset 70 degree Bend (SRW)

Infinity Steel Circular Offset 70 degree Bend available ex-stock in Plain Galvanised & Polyester Pre-Coated Black - Plus a choice of six contemporary colours to suit your project
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£9.39 Ex VAT£11.27 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular Offset 90 degree Bend (SRW)
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Alumasc Infinity Steel Circular Offset 90 degree Bend (SRW)

Infinity Steel Circular Offset 90 degree Bend available ex-stock in Plain Galvanised & Polyester Pre-Coated Black - Plus a choice of six contemporary colours to suit your project
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£15.51 Ex VAT£18.61 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular Fixed Offset (SRW)
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Alumasc Infinity Steel Circular Fixed Offset (SRW)

Infinity Steel Circular Fixed Offset, 60mm Projection, available in Plain Galvanised & Polyester Pre-Coated Black - Plus a choice of six contemporary colours to suit your project
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£27.59 Ex VAT£33.11 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular 2 Part Offset
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Alumasc Infinity Steel Circular 2 Part Offset

Infinity Steel Circular 2 Part Offset, between 200 - 700mm Projection, available in Pre-Coated Black or Anthracite Grey
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£49.72 Ex VAT£59.66 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular 72 degree Branch (SRW)
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Alumasc Infinity Steel Circular 72 degree Branch (SRW)

Infinity Steel Circular 72 degree Branch available ex-stock in Plain Galvanised & Polyester Pre-Coated Black - Plus a choice of six contemporary colours to suit your project
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£46.47 Ex VAT£55.76 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular Rainwater Diverter (SRW)
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Alumasc Infinity Steel Circular Rainwater Diverter (SRW)

Infinity Steel Circular Rainwater Diverter available ex-stock in Plain Galvanised & Polyester Pre-Coated Black - Plus a choice of six contemporary colours to suit your project
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£38.53 Ex VAT£46.24 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular Pipe Shoe (SRW)
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Alumasc Infinity Steel Circular Pipe Shoe (SRW)

Infinity Steel Circular Pipe Shoe available ex-stock in Plain Galvanised & Polyester Pre-Coated Black - Plus a choice of six contemporary colours to suit your project
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£14.43 Ex VAT£17.32 Inc VAT

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Estimated delivery 3-5 working days
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Alumasc Infinity Steel... Alumasc Infinity Steel Hopper Head (SRW)
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Alumasc Infinity Steel Hopper Head (SRW)

Infinity Steel Circular Hopper Head 200mm High x 220mm wide x 220mm deep to fit 80mm & 100 downpipe.
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£74.30 Ex VAT£89.16 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Circular Downpipe Reducer 100 - 80mm
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Alumasc Infinity Steel Circular Downpipe Reducer 100 - 80mm

Infinity Steel Circular Downpipe Reducer to translon from 100mm pipe down to an 80mm pipe available in Galvanised finish only. 
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£23.66 Ex VAT£28.39 Inc VAT

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Alumasc Infinity Steel Leaf... Alumasc Infinity Steel Leaf Guard
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Alumasc Infinity Steel Leaf Guard

Steel Leaf Guard available in two sizes 80mm & 100mm, Galvanised, Black or Copper finish
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£4.87 Ex VAT£5.84 Inc VAT

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Alumasc Infinity Steel... Alumasc Infinity Steel Drain Adaptor Cover Only
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Alumasc Infinity Steel Drain Adaptor Cover Only

Steel Drain Adaptor Cover Only, available in Galvanised or Black finish
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£4.92 Ex VAT£5.90 Inc VAT

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Alumasc Infinity Rubber... Alumasc Infinity Rubber Seal For Drain Adaptor
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Alumasc Infinity Rubber Seal For Drain Adaptor

Rubber Seal For Drain Adaptor. cover must be purchased separately
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£9.04 Ex VAT£10.85 Inc VAT

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