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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. 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. Expert advice
    Our friendly service and competitive prices combined with a step-by-step support approach, make for easy rainwater product selection.
  • Nationwide delivery Our delivery partners cover the whole of the UK (mainland only) so no matter where you are, we can get your order to you. Nationwide delivery
    Our delivery partners 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. 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.

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Outlet Size

Grate

Size

Harmer Roof Aluminium Outlets

Harmer Roof Aluminium Outlets
Harmer Aluminium Roof Outlets are hydraulically engineered to ensure trouble-free performance, whilst offering versatility and choice for both architects and specifers.
 
Applications
  • Provide flat roof drainage for warm, cold and inverted roofs
  • For flat roof structures with insitu cast concrete, timber or lightweight metal deck construction
  • Ideal for connection to continuous waterproofing systems (single layer, built up felt, mastic asphalt or single ply)
  • Designed to connect to individual downpipes
  • Not be used in managed rainwater systems
  • Screw outlets recommended where connection to outlet occurs within thickness of concrete slab, where a completely gas-tight seal is required
  • AV® Retro-Gulley outlets available for flat roof refurbishment (removal of old rainwater outlet not necessary)
  • AV® Multi-Gulley outlets available for variable angle discharge Installation & Fixing

Installation & Fixing

  • Easy to handle and fix
  • Minimal maintenance requirements
Performance
  • Lightweight, durable and non-corrodible
  • AV® outlets drain up to 40% more roof area than conventional gravity outlets
  • High flow performance with increasing head of water at the outlet
  • Life expectancy of aluminium: 40 years (rural/suburban areas); up to 25 years (industrial/marine areas)
  • Aluminium is 100% recyclable
Materials & Finishes
  • Precision cast in aluminium silicon alloy LM6 to BS EN 1559:1997
  • Outlet body (fully concealed after installation) is in mill finish aluminium
  • Gunmetal specification available for connection to copper pipework and for installation in copper or lead-clad roofs
  • Grate is polyester powder coated in blue; clamping collar is coated in yellow
  • Domical grates supplied as standard; flat grates are also available  

If you have ANY questions about our products, or want to give us some feedback about your shopping experience with us, please feel free to contact us on 0330 2231732 or email: sales@roof2floordrains.co.uk

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Harmer Roof Aluminium AV... Harmer Roof Aluminium AV Screw Outlet
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Harmer Roof Aluminium AV Screw Outlet

Aluminium AV Screw Outlet, available with a Dome or Flat grate in sizes 50mm, 75mm, 100mm & 150mm
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From Price £159.41 Ex VAT£191.29 Inc VAT

Estimated lead-time 3-5 working days.
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Harmer Roof Aluminium AV... Harmer Roof Aluminium AV Retro Gulley Outlet
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Harmer Roof Aluminium AV Retro Gulley Outlet

Aluminium AV Retro Gulley Outlet available with a Dome or Flat grate, in sizes 75mm, 100mm & 150mm
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From Price £370.57 Ex VAT£444.68 Inc VAT

Estimated lead-time 3-5 working days.
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Harmer Roof ABS Threaded... Harmer Roof ABS Threaded Spigot Adapter
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Harmer Roof ABS Threaded Spigot Adapter

ABS Threaded Spigot Adapter, available in sizes 55mm, 83mm, 110mm & 160mm x 400mm & 600mm
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From Price £36.20 Ex VAT£43.44 Inc VAT

Estimated lead-time 3-5 working days.
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