Skip to content

Alumasc Aluminium Flushjoint Downpipes

Alumasc Flushjoint - Circular Extruded Aluminium Tampered Hopper

Original price £174.09 - Original price £204.81
Original price
£174.09 - £204.81
£174.09 - £204.81
Current price £174.09

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £174.09 - Original price £204.81
Original price
£174.09 - £204.81
£174.09 - £204.81
Current price £174.09

Alumasc Flushjoint - Circular Extruded Aluminium Flushjoint Diverter

Original price £165.92 - Original price £220.90
Original price
£165.92 - £220.90
£165.92 - £220.90
Current price £165.92

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £165.92 - Original price £220.90
Original price
£165.92 - £220.90
£165.92 - £220.90
Current price £165.92

Alumasc Flushjoint - Square Extruded Aluminium 92.5 Degree 2 Part Offset

Original price £134.80 - Original price £244.55
Original price
£134.80 - £244.55
£134.80 - £244.55
Current price £134.80

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £134.80 - Original price £244.55
Original price
£134.80 - £244.55
£134.80 - £244.55
Current price £134.80

Alumasc Flushjoint - Square Extruded Aluminium 135 Degree 2 Part Offset

Original price £134.80 - Original price £244.55
Original price
£134.80 - £244.55
£134.80 - £244.55
Current price £134.80

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £134.80 - Original price £244.55
Original price
£134.80 - £244.55
£134.80 - £244.55
Current price £134.80

Alumasc Flushjoint - Circular Extruded Aluminium Faceted Hopper

Original price £134.01 - Original price £157.66
Original price
£134.01 - £157.66
£134.01 - £157.66
Current price £134.01

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £134.01 - Original price £157.66
Original price
£134.01 - £157.66
£134.01 - £157.66
Current price £134.01

Alumasc Flushjoint - Circular Extruded Aluminium Rectangular Hopper

Original price £121.65 - Original price £143.12
Original price
£121.65 - £143.12
£121.65 - £143.12
Current price £121.65

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £121.65 - Original price £143.12
Original price
£121.65 - £143.12
£121.65 - £143.12
Current price £121.65

Alumasc Flushjoint Square Extruded Aluminium Access Pipes

Original price £106.12 - Original price £143.23
Original price
£106.12 - £143.23
£106.12 - £143.23
Current price £106.12

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £106.12 - Original price £143.23
Original price
£106.12 - £143.23
£106.12 - £143.23
Current price £106.12

Alumasc Flushjoint - Circular Extruded Aluminium 92.5 Degree 2 Part Offset

Original price £102.67 - Original price £281.21
Original price
£102.67 - £281.21
£102.67 - £281.21
Current price £102.67

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £102.67 - Original price £281.21
Original price
£102.67 - £281.21
£102.67 - £281.21
Current price £102.67

Alumasc Flushjoint - Circular Extruded Aluminium 135 Degree 2 Part Offset

Original price £102.67 - Original price £281.21
Original price
£102.67 - £281.21
£102.67 - £281.21
Current price £102.67

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £102.67 - Original price £281.21
Original price
£102.67 - £281.21
£102.67 - £281.21
Current price £102.67

Alumasc Flushjoint - Circular Extruded Aluminium 112.5 Degree 2 Part Offset

Original price £102.67 - Original price £281.21
Original price
£102.67 - £281.21
£102.67 - £281.21
Current price £102.67

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £102.67 - Original price £281.21
Original price
£102.67 - £281.21
£102.67 - £281.21
Current price £102.67

Alumasc Flushjoint - Circular Extruded Aluminium Chamfered Hopper

Original price £100.54 - Original price £118.28
Original price
£100.54 - £118.28
£100.54 - £118.28
Current price £100.54

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £100.54 - Original price £118.28
Original price
£100.54 - £118.28
£100.54 - £118.28
Current price £100.54

Alumasc Flushjoint - Circular Extruded Aluminium Access Pipes

Original price £85.52 - Original price £192.00
Original price
£85.52 - £192.00
£85.52 - £192.00
Current price £85.52

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £85.52 - Original price £192.00
Original price
£85.52 - £192.00
£85.52 - £192.00
Current price £85.52

Alumasc Flushjoint - Square Extruded Aluminium Downpipe

Original price £79.86 - Original price £340.87
Original price
£79.86 - £340.87
£79.86 - £340.87
Current price £79.86

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £79.86 - Original price £340.87
Original price
£79.86 - £340.87
£79.86 - £340.87
Current price £79.86

Alumasc Flushjoint - Square Extruded Aluminium Branches

Original price £62.43 - Original price £84.03
Original price
£62.43 - £84.03
£62.43 - £84.03
Current price £62.43

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £62.43 - Original price £84.03
Original price
£62.43 - £84.03
£62.43 - £84.03
Current price £62.43

Alumasc Flushjoint - Square Extruded Aluminium Bend

Original price £62.43 - Original price £84.03
Original price
£62.43 - £84.03
£62.43 - £84.03
Current price £62.43

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £62.43 - Original price £84.03
Original price
£62.43 - £84.03
£62.43 - £84.03
Current price £62.43

Alumasc Flushjoint - Square Extruded Aluminium 135 degree Fixed Offset

Original price £62.43 - Original price £84.03
Original price
£62.43 - £84.03
£62.43 - £84.03
Current price £62.43

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £62.43 - Original price £84.03
Original price
£62.43 - £84.03
£62.43 - £84.03
Current price £62.43

Alumasc Flushjoint - Circular Extruded Aluminium Branches

Original price £52.19 - Original price £107.18
Original price
£52.19 - £107.18
£52.19 - £107.18
Current price £52.19

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £52.19 - Original price £107.18
Original price
£52.19 - £107.18
£52.19 - £107.18
Current price £52.19

Alumasc Flushjoint - Circular Extruded Aluminium Bend

Original price £52.19 - Original price £92.42
Original price
£52.19 - £92.42
£52.19 - £92.42
Current price £52.19

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £52.19 - Original price £92.42
Original price
£52.19 - £92.42
£52.19 - £92.42
Current price £52.19

Alumasc Flushjoint - Circular Extruded Aluminium 135 degree Fixed Offset

Original price £52.19 - Original price £71.67
Original price
£52.19 - £71.67
£52.19 - £71.67
Current price £52.19

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £52.19 - Original price £71.67
Original price
£52.19 - £71.67
£52.19 - £71.67
Current price £52.19

Alumasc Flushjoint - Circular Extruded Aluminium Shoe

Original price £37.17 - Original price £69.34
Original price
£37.17 - £69.34
£37.17 - £69.34
Current price £37.17

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £37.17 - Original price £69.34
Original price
£37.17 - £69.34
£37.17 - £69.34
Current price £37.17

Alumasc Flushjoint - Circular Extruded Aluminium Downpipes

Original price £30.61 - Original price £440.04
Original price
£30.61 - £440.04
£30.61 - £440.04
Current price £30.61

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £30.61 - Original price £440.04
Original price
£30.61 - £440.04
£30.61 - £440.04
Current price £30.61

Alumasc Flushjoint - Circular Extruded Aluminium Loose Spigot

Original price £12.71 - Original price £31.01
Original price
£12.71 - £31.01
£12.71 - £31.01
Current price £12.71

The Alumasc Flushjoint range of extruded aluminium downpipes is a contemporary pipework system available in circular, square and rectangular profil...

View full details
Original price £12.71 - Original price £31.01
Original price
£12.71 - £31.01
£12.71 - £31.01
Current price £12.71

More about Alumasc Flushjoint Downpipes

The Flushjoint downpipe system provides clean visual lines with joints that are hidden from view which makes it attractive for modern and high specification projects. The smooth external surface helps maintain the desired appearance across the building elevation while the aluminium construction gives strong resistance to corrosion and reduces long term maintenance needs. These downpipes are simple to handle on site and offer reliable performance when installed according to specification. The range includes multiple shapes and sizes which means installers and designers can select components that truly match the design and technical requirements of each project. When used together with other compatible parts in the Flushjoint family including rectangular and square profiles the result is a neat and unified rainwater system that supports both performance and architectural intent.

FAQ

What is special about the Alumasc Flushjoint downpipe range?

It delivers a completely flush, joint-free look using concealed connectors, perfect for contemporary architectural designs.

Why do architects specify Flushjoint downpipes?

Because they achieve smooth vertical lines and minimal shadowing on modern cladding or rendered façades.

How are Flushjoint downpipes secured?

Using internal spigot joints with hidden brackets that keep the pipe slightly off the wall for a refined finish.

How long do Alumasc aluminium downpipes last?

Typically over 40 years in rural or suburban areas and around 25 years in industrial or coastal locations, thanks to their corrosion-resistant finish.

Do Alumasc aluminium downpipes need much maintenance?

Maintenance is minimal. A quick rinse with warm soapy water and an occasional check of joints and brackets is usually enough.

Are Alumasc aluminium downpipes environmentally friendly?

Maintenance is minimal. A quick rinse with warm soapy water and an occasional check of joints and brackets is usually enough.

Can Alumasc downpipes be supplied in custom colours?

Yes. They are factory powder-coated in a wide range of RAL and BS colours, with excellent UV and weather resistance.

Are Alumasc aluminium downpipes compatible with other systems?

Yes. They connect easily to most aluminium, cast iron and PVC gutter systems using standard adaptors.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare