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Industry leading
Our sales and technical team have over 20 years’ experience working with the industry leading rainwater systems available in the UK. -
Expert advice
Our friendly service and competitive prices combined with a step-by-step support approach, make for easy rainwater product selection. -
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Our delivery drivers cover the whole of the UK (mainland only) so no matter where you are, we can get your order to you. -
Premium quality
Our aluminium, steel, cast iron, plastic & GRP rainwater systems are all sourced from the leading manufacturers in the UK to ensure they are of the highest quality.
GX Smooth Aluminium Gutters

GX Smooth is a robust and fully engineered box section guttering range designed for traditional wet jointing on site. The Alumasc GX range is offered in three profiles in a choice of sizes and is especially suited to applications where maximum capacity rainwater gutters are required. Please allow up to 15 working days for Mill Finish and between 15-20 working days for other PPC finishes.
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Available
Alumasc GX Smooth Box Pressed Aluminium Stop End Internal L/Hand
GX Smooth Box Pressed Aluminium Stop End Internal L/Hand available in 5 sizes, together with a complete range of fittings
0
From
Price
£12.64
Ex VAT£15.17 Inc VAT
Available
Alumasc GX Smooth Box Pressed Aluminium Stop End Internal R//Hands
GX Smooth Box Pressed Aluminium Stop End Internal R/Hand available in 5 sizes, together with a complete range of fittings
0
From
Price
£12.64
Ex VAT£15.17 Inc VAT
Available
Alumasc GX Smooth Box Pressed Aluminium Running Outlet
GX Smooth Box Pressed Aluminium Running Outlet available in 5 sizes, together with a complete range of fittings
0
From
Price
£37.51
Ex VAT£45.01 Inc VAT
Available
Alumasc GX Smooth Box Pressed Aluminium Running Outlet Square
GX Smooth Box Pressed Aluminium Running Outlet Square available in 5 sizes, together with a complete range of fittings
0
From
Price
£40.36
Ex VAT£48.43 Inc VAT
Available
Alumasc GX Smooth Box Pressed Aluminium 90 Degree External Angle
GX Smooth Box Pressed Aluminium 90 Degree External Angle available in 5 sizes, together with a complete range of fittings
0
From
Price
£52.61
Ex VAT£63.13 Inc VAT
Available
Alumasc GX Smooth Box Pressed Aluminium 90 Degree Internal Angle
GX Smooth Box Pressed Aluminium 90 Degree Internal Angle available in 5 sizes, together with a complete range of fittings
0
From
Price
£52.61
Ex VAT£63.13 Inc VAT
Available
Alumasc GX Joggle Box Pressed Aluminium 135 Degree External Angle
GX Smooth Box Pressed Aluminium 135 Degree External Angle available in 5 sizes, together with a complete range of fittings
0
From
Price
£52.61
Ex VAT£63.13 Inc VAT
Available
Alumasc GX Smooth Box Pressed Aluminium 135 Degree Internal Angle
GX Smooth Box Pressed Aluminium 135 Degree Internal Angle available in 5 sizes, together with a complete range of fittings
0
From
Price
£52.61
Ex VAT£63.13 Inc VAT
Available
Alumasc GX Smooth Box Pressed Aluminium Extra Union Clip
GX Smooth Box Pressed Aluminium Extra Union Clip available in 5 sizes, together with a complete range of fittings
0
From
Price
£6.55
Ex VAT£7.86 Inc VAT
Available
Alumasc GX Smooth Box Pressed Aluminium Extra Bracket/ Top Strap
GX Smooth Box Pressed Aluminium Extra Bracket/ Top Strap available in 5 sizes, together with a complete range of fittings
0
From
Price
£4.50
Ex VAT£5.40 Inc VAT
Available
Alumasc Aluminium Patch Outlet
Aluminium Patch outlet, for connecting downpipe to flat bottom gutter, available in 7 sizes, together with a complete range of fittings
0
From
Price
£27.93
Ex VAT£33.52 Inc VAT
Available
Alumasc Low Modulus 310cc Dow Corning 791 Silicone Sealant
Alumasc Low Modulus 310cc Dow Corning 791 Silicone Mastic is used as a protective seal at interfaces for all Alumasc Rainwater Systems
0
From
Price
£10.55
Ex VAT£12.66 Inc VAT
Available
Alumasc Swaged Round Circular Aluminium Downpipe x 3m
Swaged Round Circular Aluminium Downpipe x 3m Length, available in 3 sizes and 3 downpipe lengths, together with a complete range of fittings
0
From
Price
£46.59
Ex VAT£55.91 Inc VAT
Available
Alumasc Swaged Round Circular Aluminium Downpipe 1m & 2m
Swaged Round Circular Aluminium Downpipe 1m & 2m available in 3 sizes and 3 downpipe lengths, together with a complete range of fittings
0
From
Price
£20.93
Ex VAT£25.12 Inc VAT
Available
Alumasc Swaged Round Circular Aluminium Pipe Clip
Swaged Round Circular Aluminium Pipe Clip available in 3 sizes, together with a complete range of fittings
0
From
Price
£6.06
Ex VAT£7.27 Inc VAT