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Harmer Aluminium Roof Outlets - Gutters Online

Harmer Cast Aluminium Outlets


You can now order Harmer outlets from Gutters Online. The Harmer range provides a wide variety of aluminium outlets incorporating cutting-edge engineering and high-performance materials. These outlets are designed to be compatible with various waterproofing systems and building constructions, ensuring optimal functionality.


What are Harmer outlets?

Harmer is a leading brand in the building drainage market with a wide range of roof drainage products for any building. Harmer roof drainage products are available for different types of roof construction, including structural concrete, timber deck, warm roof, cold roof, green roof, inverted roof and lightweight metal deck construction.


Harmer Roof Outlets - Aluminium

Harmer Detail Roof Outlets are designed to cover all the awkward detailing situations in building design and refurbishment. The roof outlets are ideal for connecting continuous waterproofing systems using single-ply membranes, mastic asphalt, high-performance built-up felt and wet-applied systems.

Harmer Detail Outlets include:

  • Harmer balcony outlet
  • Harmer extended gully outlet
  • Harmer car park outlet
  • Harmer two-way outlets

The Harmer AV outlet product range is designed for flat roof structures using in-situ cast concrete, lightweight metal or timber deck construction. AV flat roof outlets are designed to connect directly to downpipes and provide flat roof drainage for warm, cold and inverted roofs.

Harmer Roof AV outlets feature circular flanges and are suitable for all regular flat roofing applications with continuous membranes. There is a choice of outlets with a spigot or screw connection for vertical discharge.


Benefits of using Harmer roof outlets

  • Lightweight, durable and non-corrodible
  • Harmer roof 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: 40 years (rural/suburban areas); up to 25 years (industrial/marine areas)
  • Aluminium is 100% recyclable
  • BBA-approved powder coating (Harmer Roof Detail aluminium outlets)

*BBA Agrément Certificate applies to powder coating on the grate and clamping collar


Harmer Aluminium Roof Outlets: Materials and Finishes

  • Precision cast in aluminium silicon alloy LM6 to BS EN 1559:1997
  • The 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
  • Blue yellow powder-coat: Blue polyester powder coating on grate; the clamping collar is coated in yellow
  • Domical grates are supplied as standard; flat grates are also available
  • Country of product manufacture: United Kingdom

Ordering Online

Gutters Online has supplied metal rainwater systems to the trade and public for over a decade. Reliable delivery partners allow us to offer fast nationwide delivery across the UK and our friendly service team is available on 0330 912 2288 should you need help.

Order securely online or contact our technical team for help finding the right parts for your property.


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Harmer aluminium drainage outlets now in stock Harmer aluminium drainage outlets now in stock Harmer aluminium drainage outlets now in stock Harmer aluminium drainage outlets now in stock

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