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All Alumasc Steel Downpipes

Alumasc High Tech Adhesive - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Parapet Hopper

£273.20 - £273.20
£273.20
£273.20 - £273.20
£273.20

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

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£273.20 - £273.20
£273.20
£273.20 - £273.20
£273.20
Alumasc High Tech Adhesive - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Ornamental Hopper

£198.09 - £273.20
£198.09 - £273.20
£198.09 - £273.20
£198.09

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

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£198.09 - £273.20
£198.09 - £273.20
£198.09 - £273.20
£198.09
Alumasc Infinity Steel - Circular Guttering Contemporary Hopper - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Contemporary Hopper

£125.38 - £198.42
£125.38 - £198.42
£125.38 - £198.42
£125.38

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

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£125.38 - £198.42
£125.38 - £198.42
£125.38 - £198.42
£125.38
Alumasc Infinity Steel - Circular Guttering Adjustable Two Part Offset - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Adjustable Two Part Offset

£89.19 - £172.62
£89.19 - £172.62
£89.19 - £172.62
£89.19

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

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£89.19 - £172.62
£89.19 - £172.62
£89.19 - £172.62
£89.19
Alumasc Infinity Steel - Circular Guttering 72° Degree Branch - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering 72° Degree Branch

£78.44 - £84.91
£78.44 - £84.91
£78.44 - £84.91
£78.44

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

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£78.44 - £84.91
£78.44 - £84.91
£78.44 - £84.91
£78.44
Alumasc Infinity Steel - Circular Guttering Adjustable Two Part Offset - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Access Pipes

£67.17 - £75.23
£67.17 - £75.23
£67.17 - £75.23
£67.17

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

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£67.17 - £75.23
£67.17 - £75.23
£67.17 - £75.23
£67.17
Alumasc Infinity Steel - Circular Guttering x 2m - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering x 2m

£52.02 - £999.99
£52.02 - £999.99
£52.02 - £999.99
£52.02

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£52.02 - £999.99
£52.02 - £999.99
£52.02 - £999.99
£52.02
Alumasc Infinity Steel - Circular Guttering Fixed 60mm Offset - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Fixed 60mm Offset

£46.56 - £65.92
£46.56 - £65.92
£46.56 - £65.92
£46.56

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£46.56 - £65.92
£46.56 - £65.92
£46.56 - £65.92
£46.56
Alumasc Infinity Steel - Circular Guttering Reducers - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Reducers

£40.21 - £55.45
£40.21 - £55.45
£40.21 - £55.45
£40.21

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£40.21 - £55.45
£40.21 - £55.45
£40.21 - £55.45
£40.21
Alumasc Infinity Steel - Circular Guttering x 3m - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering x 3m

£32.18 - £71.04
£32.18 - £71.04
£32.18 - £71.04
£32.18

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£32.18 - £71.04
£32.18 - £71.04
£32.18 - £71.04
£32.18
Alumasc Infinity Steel - Circular Guttering 90° Bends - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering 90° Bends

£26.17 - £33.71
£26.17 - £33.71
£26.17 - £33.71
£26.17

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£26.17 - £33.71
£26.17 - £33.71
£26.17 - £33.71
£26.17
Alumasc High Tech Adhesive - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Short Heel Shoes

£24.36 - £30.18
£24.36 - £30.18
£24.36 - £30.18
£24.36

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

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£24.36 - £30.18
£24.36 - £30.18
£24.36 - £30.18
£24.36
Alumasc Infinity Steel - Circular Guttering Shoes - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Shoes

£19.34 - £32.34
£19.34 - £32.34
£19.34 - £32.34
£19.34

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£19.34 - £32.34
£19.34 - £32.34
£19.34 - £32.34
£19.34
Alumasc High Tech Adhesive - Aluminium Gutters Direct

Alumasc Infinity Steel - Rubber Seal

£16.01 - £16.01
£16.01
£16.01 - £16.01
£16.01

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£16.01 - £16.01
£16.01
£16.01 - £16.01
£16.01
Alumasc Infinity Steel - Circular Guttering 70° Bends - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering 70° Bends

£12.11 - £20.63
£12.11 - £20.63
£12.11 - £20.63
£12.11

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£12.11 - £20.63
£12.11 - £20.63
£12.11 - £20.63
£12.11
Alumasc Infinity Steel - Circular Guttering Downpipe Connector - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Downpipe Connector

£10.71 - £21.35
£10.71 - £21.35
£10.71 - £21.35
£10.71

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£10.71 - £21.35
£10.71 - £21.35
£10.71 - £21.35
£10.71
Alumasc High Tech Adhesive - Aluminium Gutters Direct

Alumasc Infinity Steel - Drain Adaptors (Downpipe Covers) Cover Only

£8.31 - £9.24
£8.31 - £9.24
£8.31 - £9.24
£8.31

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£8.31 - £9.24
£8.31 - £9.24
£8.31 - £9.24
£8.31
Alumasc High Tech Adhesive - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Leaf Guard

£8.23 - £18.60
£8.23 - £18.60
£8.23 - £18.60
£8.23

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£8.23 - £18.60
£8.23 - £18.60
£8.23 - £18.60
£8.23
Alumasc High Tech Adhesive - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Pipe Clip M10 Boss

£7.73 - £13.91
£7.73 - £13.91
£7.73 - £13.91
£7.73

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£7.73 - £13.91
£7.73 - £13.91
£7.73 - £13.91
£7.73
Alumasc Infinity Steel - Circular Guttering Pipe Clips - Aluminium Gutters Direct

Alumasc Infinity Steel - Circular Guttering Pipe Clips

£5.78 - £6.79
£5.78 - £6.79
£5.78 - £6.79
£5.78

The Alumasc Infinity range is a contemporary galvanised steel gutter and downpipe system available in Half Round, Box, Circular, and Square & R...

View full details
£5.78 - £6.79
£5.78 - £6.79
£5.78 - £6.79
£5.78

More about Alumasc Steel Downpipes

Alumasc steel downpipes provide a cost effective yet strong alternative to cast systems for projects requiring both durability and a smart clean look. Manufactured from high strength steel with a protective coating they provide long term weather resistance and secure drainage performance on both commercial properties and residential developments. These downpipes are lighter to handle than cast iron which supports quicker installation and easier alignment across the elevation. They are offered in a range of diameters and complementary colour finishes to match steel gutter systems and surrounding building materials. When fitted with other Alumasc steel components the result is a reliable and coordinated rainwater solution that maintains a professional appearance.

FAQ

What are the benefits of steel gutters for commercial builds?

A high-strength, lightweight rainwater system made from galvanised or coated steel, designed for long service life with minimal upkeep.

Why choose steel over aluminium or cast iron?

It offers excellent strength-to-weight ratio, good recyclability and a clean contemporary look at a lower cost than copper or zinc.

What finishes are available?

Pre-coated galvanised steel in natural metallic, anthracite or coloured polyester finishes to match building façades or roofing systems.

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.

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