Harmer Roof Drainage - NMBS

Aluminium Roof Outlets - Product Range Summary
Harmer Aluminium Roof Outlets offer a wide choice of outlet designs that cater for most
types of building drainage applications. Harmer AV rainwater outlets provide optimum flow
performance even in extreme rainfall conditions.
AV Outlets
AV Vertical Spigot or Threaded Outlets
Harmer Roof AV Vertical Spigot and Threaded outlets
provide anti-vortex performance within an economic
range of general pur pose outlets. Designed for connection
to downpipes on a gravity system.
See page 15.
AV Retro-Gulley Outlets
Harmer Roof AV Retro-Gulley outlets incorporate anti-vortex
performance and are designed for flat roof upgrading
without necessitating removal of the old rainwater outlet.
The Retro-Gulley aluminium tail pipe connects directly into
the existing pipework via the old outlet.
See page 18.
Detail Outlets
Harmer Roof Detail outlets comprise a range designed to
solve problematic detailing requirements.
The range includes 45º and 90º threaded or spigot
outlets, used with either domical or flat grates.
Also included are two-way, balcony, car park and gulley
outlets.
See page 19.
Accessories and Pipe Connections
There is a range of accessories for Harmer aluminium AV
and Detail systems to ensure the successful installation
of Harmer rainwater outlets in most types of roof
construction.
The range includes threaded spigot adaptors, metal deck
support plates, overflow outlets and couplings.
See page 32.
14
www.harmerdrainage.co.uk