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Alumasc Steel Half Round Guttering

Alumasc Infinity Steel - Circular Guttering Reducers - Aluminium Gutters Direct

Alumasc Top-Fix Rafter Bracket Bending Tool

£999.99 - £999.99
£999.99
£999.99 - £999.99
£999.99

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
£999.99 - £999.99
£999.99
£999.99 - £999.99
£999.99
Alumasc Infinity Steel - Half Round 135° Internal Angles - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round 135° Internal Angles

£131.80 - £147.25
£131.80 - £147.25
£131.80 - £147.25
£131.80

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
£131.80 - £147.25
£131.80 - £147.25
£131.80 - £147.25
£131.80
Alumasc Infinity Steel - Half Round 135° External Angles - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round 135° External Angles

£131.80 - £147.25
£131.80 - £147.25
£131.80 - £147.25
£131.80

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
£131.80 - £147.25
£131.80 - £147.25
£131.80 - £147.25
£131.80
Alumasc Infinity Steel - Half Round 90° Internal Angles - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round 90° Internal Angles

£41.81 - £999.99
£41.81 - £999.99
£41.81 - £999.99
£41.81

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
£41.81 - £999.99
£41.81 - £999.99
£41.81 - £999.99
£41.81
Alumasc Infinity Steel - Half Round 90° External Angles - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round 90° External Angles

£41.81 - £999.99
£41.81 - £999.99
£41.81 - £999.99
£41.81

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
£41.81 - £999.99
£41.81 - £999.99
£41.81 - £999.99
£41.81
Alumasc Infinity Steel - Half Round Guttering x 3m - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round Guttering x 3m

£40.54 - £999.99
£40.54 - £999.99
£40.54 - £999.99
£40.54

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
£40.54 - £999.99
£40.54 - £999.99
£40.54 - £999.99
£40.54
Alumasc High Tech Adhesive - Aluminium Gutters Direct

Alumasc Touch Up Spray

£37.66 - £37.66
£37.66
£37.66 - £37.66
£37.66

£37.66 - £37.66
£37.66
£37.66 - £37.66
£37.66
Alumasc Infinity Steel - Union Clip 120mm - Aluminium Gutters Direct

Alumasc Infinity Steel - Union Clip 120mm

£20.58 - £24.93
£20.58 - £24.93
£20.58 - £24.93
£20.58

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
£20.58 - £24.93
£20.58 - £24.93
£20.58 - £24.93
£20.58
Alumasc Infinity Steel - Half Round Rise & Fall Brackets - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round Rise & Fall Brackets

£20.48 - £25.20
£20.48 - £25.20
£20.48 - £25.20
£20.48

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
£20.48 - £25.20
£20.48 - £25.20
£20.48 - £25.20
£20.48
Alumasc Infinity Steel - Half Round Wrap Around Outlets - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round Wrap Around Outlets

£16.28 - £999.99
£16.28 - £999.99
£16.28 - £999.99
£16.28

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
£16.28 - £999.99
£16.28 - £999.99
£16.28 - £999.99
£16.28
Alumasc Infinity Steel - Circular Guttering Reducers - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round Top Fix Rafter Brackets

£10.69 - £17.28
£10.69 - £17.28
£10.69 - £17.28
£10.69

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
£10.69 - £17.28
£10.69 - £17.28
£10.69 - £17.28
£10.69
Alumasc Infinity Steel - Half Round Union Clips - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round Union Clips

£8.88 - £999.99
£8.88 - £999.99
£8.88 - £999.99
£8.88

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
£8.88 - £999.99
£8.88 - £999.99
£8.88 - £999.99
£8.88
Alumasc Infinity Steel - Half Round Combined Stop Ends - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round Combined Stop Ends

£5.46 - £999.99
£5.46 - £999.99
£5.46 - £999.99
£5.46

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
£5.46 - £999.99
£5.46 - £999.99
£5.46 - £999.99
£5.46
Alumasc Infinity Steel - Half Round Fascia Brackets - Aluminium Gutters Direct

Alumasc Infinity Steel - Half Round Fascia Brackets

£5.39 - £999.99
£5.39 - £999.99
£5.39 - £999.99
£5.39

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
£5.39 - £999.99
£5.39 - £999.99
£5.39 - £999.99
£5.39
Alumasc High Tech Adhesive - Aluminium Gutters Direct

Alumasc Screw for M10 Boss

£1.31 - £2.18
£1.31 - £2.18
£1.31 - £2.18
£1.31

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
£1.31 - £2.18
£1.31 - £2.18
£1.31 - £2.18
£1.31

More about Alumasc Steel Half Round Guttering

Alumasc steel half round guttering provides a classic roofline shape with the benefit of strong modern materials. It is suited to residential and commercial projects that need dependable performance and an affordable upgrade over aging systems. The curved profile allows water to flow smoothly toward the downpipe and helps reduce the buildup of debris. The steel construction includes a protective coating that gives corrosion resistance and helps maintain a neat finish with minimal maintenance. This type of gutter can be colour matched to surrounding features which helps maintain a consistent design. Installed with matching steel downpipes it offers a cost effective and long lasting drainage solution.

FAQ

What makes steel half round a practical choice?

It’s light, durable, and straightforward to install with minimal expansion movement compared to plastic or aluminium.

Is steel half round suitable for heritage work?

Yes. Its curved profile mirrors traditional shapes, and pre-finished coatings can replicate aged zinc or iron tones.

How are joints sealed?

By hidden brackets or strap supports at close centres due to the larger water volume they carry.

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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