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Aluminium Rainwater Outlets

Our Aluminium Rainwater Outlets will provide you with exceptional flat roof and balcony drainage.

Made from a high quality, weatherproof and long-life aluminium construction, Roof Giant offers a wide range of roof outlets, spouts, adaptors and dome grates to meet your needs. Shop a selection of different sizes and various angles to suit the requirements of your latest project from trusted brands including ACO and Caroflow.

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ACO HP 90° Spigot Aluminium Roof Outlet with Flat Grate
ACO HP 90° Spigot Aluminium Roof Outlet with Flat GrateFrom

£139.96 ex VAT£167.95 inc VAT

Caroflow 75mm Flat Roof Gulley Drainage Outlet (Spigot)
Caroflow 75mm Flat Roof Gulley Drainage Outlet (Spigot)

£154.95 ex VAT£185.94 inc VAT

Caroflow 100mm Flat Roof Vertical Spigot Drainage Outlet (Flat Grate)
Caroflow 100mm Flat Roof Vertical Spigot Drainage Outlet (Flat Grate)

£181.28 ex VAT£217.54 inc VAT

ACO HP Two Way Screw Aluminium Roof Outlet with Flat Grate
ACO HP Two Way Screw Aluminium Roof Outlet with Flat GrateFrom

£135.31 ex VAT£162.37 inc VAT

ACO HP Vertical Spigot Aluminium Roof Outlet with Flat Grate
ACO HP Vertical Spigot Aluminium Roof Outlet with Flat GrateFrom

£125.79 ex VAT£150.95 inc VAT

Caroflow “Easitrim” Extension Ring For 100/150mm Flat Roof Outlets
Caroflow “Easitrim” Extension Ring For 100/150mm Flat Roof Outlets

£53.22 ex VAT£63.86 inc VAT

Caroflow 100mm 90 Degree Spigot Flat Roof Drainage Outlet (Flat Grate)
Caroflow 100mm 90 Degree Spigot Flat Roof Drainage Outlet (Flat Grate)

£160.78 ex VAT£192.94 inc VAT

Caroflow 50mm Aluminium Balcony Outlet
Caroflow 50mm Aluminium Balcony Outlet

£118.03 ex VAT£141.64 inc VAT

Caroflow Kombi Terrace Grate Flat Roof Drainage Outlet
Caroflow Kombi Terrace Grate Flat Roof Drainage Outlet

£38.93 ex VAT£46.72 inc VAT

ACO HP 90° Screw Aluminium Roof Outlet with Flat Grate
ACO HP 90° Screw Aluminium Roof Outlet with Flat GrateFrom

£151.74 ex VAT£182.09 inc VAT

ACO HP Balcony Spigot Aluminium Roof Outlet with Flat Grate
ACO HP Balcony Spigot Aluminium Roof Outlet with Flat GrateFrom

£121.48 ex VAT£145.78 inc VAT

Caroflow 100mm Flat Roof Balcony Drainage Outlet
Caroflow 100mm Flat Roof Balcony Drainage Outlet

£129.04 ex VAT£154.85 inc VAT

Caroflow 100mm Vertical Spigot Flat Roof Drainage Outlet (Dome Grate)
Caroflow 100mm Vertical Spigot Flat Roof Drainage Outlet (Dome Grate)

£171.07 ex VAT£205.28 inc VAT

ACO HP Gully Spigot Aluminium Roof Outlet with Dome Grate
ACO HP Gully Spigot Aluminium Roof Outlet with Dome GrateFrom

£172.64 ex VAT£207.17 inc VAT

ACO HP Vertical Spigot Aluminium Roof Outlet with Dome Grate
ACO HP Vertical Spigot Aluminium Roof Outlet with Dome GrateFrom

£128.15 ex VAT£153.78 inc VAT

Caroflow Two Way Flat Roof Drainage Outlet
Caroflow Two Way Flat Roof Drainage OutletFrom

£123.28 ex VAT£147.94 inc VAT

Caroflow Overflow Fittings For 50/75mm Flat Roof Drainage Outlets
Caroflow Overflow Fittings For 50/75mm Flat Roof Drainage Outlets

£123.03 ex VAT£147.64 inc VAT

Harmer Push Fit Parapet Downspout (110mm Diameter)
Harmer Push Fit Parapet Downspout (110mm Diameter)From

£124.88 ex VAT£149.86 inc VATWas: £138.76 ex VAT

Save: £13.88
ACO HP Vertical Screw Aluminium Roof Outlet with Dome Grate
ACO HP Vertical Screw Aluminium Roof Outlet with Dome GrateFrom

£136.88 ex VAT£164.26 inc VAT

ACO HP 90° Spigot Aluminium Roof Outlet with Dome Grate
ACO HP 90° Spigot Aluminium Roof Outlet with Dome GrateFrom

£142.35 ex VAT£170.82 inc VAT

Caroflow 100mm 90 Degree Threaded Flat Roof Drainage Outlet (Dome Grate)
Caroflow 100mm 90 Degree Threaded Flat Roof Drainage Outlet (Dome Grate)

£204.26 ex VAT£245.11 inc VAT

ACO Rainwater Outlet Discharge Spout
ACO Rainwater Outlet Discharge SpoutFrom

£162.61 ex VAT£195.13 inc VAT

Caroflow 100mm 90 Degree Threaded Flat Roof Drainage Outlet (Flat Grate)
Caroflow 100mm 90 Degree Threaded Flat Roof Drainage Outlet (Flat Grate)

£215.05 ex VAT£258.06 inc VAT

Caroflow 75mm 90 Degree Threaded Flat Roof Drainage Outlet (Flat Grate)
Caroflow 75mm 90 Degree Threaded Flat Roof Drainage Outlet (Flat Grate)

£150.35 ex VAT£180.42 inc VAT

ACO HP Raising Rings for Circular Outlets
ACO HP Raising Rings for Circular OutletsFrom

£54.78 ex VAT£65.74 inc VAT

Caroflow 75mm Vertical Spigot Flat Roof Drainage Outlets (Flat Grate)
Caroflow 75mm Vertical Spigot Flat Roof Drainage Outlets (Flat Grate)

£116.17 ex VAT£139.40 inc VAT

Caroflow 75mm 45 Degree Threaded Flat Roof Drainage Outlet (Dome Grate)
Caroflow 75mm 45 Degree Threaded Flat Roof Drainage Outlet (Dome Grate)

£234.53 ex VAT£281.44 inc VAT

Caroflow 100mm Flat Roof Gulley Drainage Outlet (Spigot)
Caroflow 100mm Flat Roof Gulley Drainage Outlet (Spigot)

£173.62 ex VAT£208.34 inc VAT

Caroflow ‘Mini’ CAROLET Refurbishment Drainage Outlet - 100mm x 35mm
Caroflow ‘Mini’ CAROLET Refurbishment Drainage Outlet - 100mm x 35mm

£290.11 ex VAT£348.13 inc VAT

Caroflow Car Park Kit For 100mm/150mm Drainage Outlets (Standard)
Caroflow Car Park Kit For 100mm/150mm Drainage Outlets (Standard)

£135.88 ex VAT£163.06 inc VAT

Harmer Anti Vortex Vertical Extended Spigot Outlet (Flat Grating) 50mm Diameter
Harmer Anti Vortex Vertical Extended Spigot Outlet (Flat Grating) 50mm DiameterFrom

£153.09 ex VAT£183.71 inc VATWas: £170.10 ex VAT

Save: £17.01
Caroflow 75mm 45 Degree Spigot Flat Roof Drainage Outlet (Flat Grate)
Caroflow 75mm 45 Degree Spigot Flat Roof Drainage Outlet (Flat Grate)

£418.85 ex VAT£502.62 inc VAT

Harmer Anti Vortex Vertical Threaded Outlet (Flat Grating)
Harmer Anti Vortex Vertical Threaded Outlet (Flat Grating)From

£132.98 ex VAT£159.58 inc VATWas: £147.76 ex VAT

Save: £14.78
ACO ABS Threaded Adaptors
ACO ABS Threaded AdaptorsFrom

£30.67 ex VAT£36.80 inc VAT

Harmer Balcony Extended Flushjoint Spigot Outlet - 100 x 75mm Diameter
Harmer Balcony Extended Flushjoint Spigot Outlet - 100 x 75mm DiameterFrom

£256.00 ex VAT£307.20 inc VATWas: £284.44 ex VAT

Save: £28.44
Caroflow 50mm Mini Two Way Balcony Outlet
Caroflow 50mm Mini Two Way Balcony Outlet

£123.55 ex VAT£148.26 inc VAT

Caroflow 150mm 90 Degree Threaded Flat Roof Drainage Outlet (Flat Grate)
Caroflow 150mm 90 Degree Threaded Flat Roof Drainage Outlet (Flat Grate)

£339.11 ex VAT£406.93 inc VAT

Caroflow 75mm Flat Roof Balcony Drainage Outlet
Caroflow 75mm Flat Roof Balcony Drainage Outlet

£120.73 ex VAT£144.88 inc VAT

ACO HP Overflow Aluminium Roof Outlet with Dome Grate
ACO HP Overflow Aluminium Roof Outlet with Dome GrateFrom

£126.64 ex VAT£151.97 inc VAT

Harmer Two Way Extended Spigot Outlet - 50mm Diameter
Harmer Two Way Extended Spigot Outlet - 50mm DiameterFrom

£197.51 ex VAT£237.01 inc VATWas: £219.46 ex VAT

Save: £21.95
Harmer Anti Vortex 90 Degree Extended Spigot Outlet (Dome Grating) 150mm Diameter
Harmer Anti Vortex 90 Degree Extended Spigot Outlet (Dome Grating) 150mm DiameterFrom

£899.57 ex VAT£1,079.48 inc VATWas: £999.52 ex VAT

Save: £99.95
Caroflow Overflow Fittings For 100/150mm Flat Roof Outlets
Caroflow Overflow Fittings For 100/150mm Flat Roof Outlets

£134.15 ex VAT£160.98 inc VAT

Harmer Balcony Outlet Grate Extension Piece (Suits sizes 50/75/100mm Diameter)
Harmer Balcony Outlet Grate Extension Piece (Suits sizes 50/75/100mm Diameter)

£95.04 ex VAT£114.05 inc VATWas: £105.60 ex VAT

Save: £10.56
Caroflow 75mm 90 Degree Threaded Flat Roof Drainage Outlet (Dome Grate)
Caroflow 75mm 90 Degree Threaded Flat Roof Drainage Outlet (Dome Grate)

£141.62 ex VAT£169.94 inc VAT

Caroflow 100mm 90 Degree Spigot Flat Roof Drainage Outlet (Dome Grate)
Caroflow 100mm 90 Degree Spigot Flat Roof Drainage Outlet (Dome Grate)

£163.55 ex VAT£196.26 inc VAT

Caroflow Aluminium Flat Roof Outlets 50mm Vertical Spigot Dome Grate
Caroflow Aluminium Flat Roof Outlets 50mm Vertical Spigot Dome Grate

£104.99 ex VAT£125.99 inc VAT

Caroflow 150mm Vertical Spigot Flat Roof Drainage Outlet (Dome Grate)
Caroflow 150mm Vertical Spigot Flat Roof Drainage Outlet (Dome Grate)

£174.23 ex VAT£209.08 inc VAT

Harmer Anti Vortex Vertical Spigot Outlet (Dome Grating)
Harmer Anti Vortex Vertical Spigot Outlet (Dome Grating)From

£130.12 ex VAT£156.14 inc VATWas: £144.58 ex VAT

Save: £14.46
Harmer Anti Vortex Terrace Grate
Harmer Anti Vortex Terrace GrateFrom

£44.03 ex VAT£52.84 inc VATWas: £48.92 ex VAT

Save: £4.89
ACO HP Gully Refurbishment Outlet with Dome Grate
ACO HP Gully Refurbishment Outlet with Dome GrateFrom

£399.85 ex VAT£479.82 inc VAT

Caroflow 50mm 90 Degree Spigot Flat Roof Outlet (Dome Grate)
Caroflow 50mm 90 Degree Spigot Flat Roof Outlet (Dome Grate)

£138.31 ex VAT£165.97 inc VAT

Caroflow 75mm Flat Roof Kompact Balcony Drainage Outlet
Caroflow 75mm Flat Roof Kompact Balcony Drainage Outlet

£111.62 ex VAT£133.94 inc VAT

Harmer Two Way Outlet
Harmer Two Way OutletFrom

£172.82 ex VAT£207.38 inc VATWas: £192.02 ex VAT

Save: £19.20
Caroflow Extension Ring For Balcony Drainage Outlets
Caroflow Extension Ring For Balcony Drainage Outlets

£94.55 ex VAT£113.46 inc VAT

ACO HP Raising Rings for Gully Outlets - 110mm
ACO HP Raising Rings for Gully Outlets - 110mm

£117.73 ex VAT£141.28 inc VAT

Harmer Anti Vortex 90 Degree Extended Spigot Outlet (Dome Grating) 100mm Diameter
Harmer Anti Vortex 90 Degree Extended Spigot Outlet (Dome Grating) 100mm DiameterFrom

£402.89 ex VAT£483.47 inc VATWas: £447.66 ex VAT

Save: £44.77
Harmer Anti Vortex 90 Degree Extended Spigot Outlet (Dome Grating) 75mm Diameter
Harmer Anti Vortex 90 Degree Extended Spigot Outlet (Dome Grating) 75mm DiameterFrom

£376.84 ex VAT£452.21 inc VATWas: £418.71 ex VAT

Save: £41.87
Caroflow 50mm 45 Degree Spigot Flat Roof Outlet (Flat Grate)
Caroflow 50mm 45 Degree Spigot Flat Roof Outlet (Flat Grate)

£189.97 ex VAT£227.96 inc VAT

Harmer Anti Vortex Vertical Extended Spigot Outlet (Flat Grating) 75mm Diameter
Harmer Anti Vortex Vertical Extended Spigot Outlet (Flat Grating) 75mm DiameterFrom

£194.88 ex VAT£233.86 inc VATWas: £216.53 ex VAT

Save: £21.65
ACO HP 45° Screw Aluminium Roof Outlet with Flat Grate
ACO HP 45° Screw Aluminium Roof Outlet with Flat GrateFrom

£224.08 ex VAT£268.90 inc VAT

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