Roof refurbishment anti-vortex outlet.
Alumasc Harmer Roof AV is an economic, general purpose range of outlets that provides anti-vortex performance. Harmer Roof AV incorporates a patented baffle within the grating to prevent water swirl and air entrapment, enabling the outlet to drain at 90% of its pipe capacity.
The Harmer AV Retro Gulley roof outlet is designed to fit within the existing outlet and pipework of a roof that is being upgraded, providing a cost-effective and efficient solution to flat roof upgrading. May be used for any type of warm roof refurbishment.
Material | Cast in grade LM6 aluminium silicon alloy |
Uniclass 2015 | |
CAWS | R10/26 Rainwater outlets R10/365 Proprietary rainwater outlets |
Product Reference | Harmer AV Retro Gulley roof outlet |
Type | RAV75, dome grating, 75 mm pipeRAV75/F, flat grating, 75 mm pipeFor 71.5–78.5 mm existing pipe (internal diameter). RAV100, dome grating, 100 mm pipeFor 71.5–78.5 mm existing pipe (internal diameter). RAV100/F, flat grating, 100 mm pipeFor 97–104 mm existing pipe (internal diameter). RAV150, dome grating, 150 mm pipeFor 142–154 mm existing pipe (internal diameter). RAV150/F, flat grating, 150 mm pipeFor 142–154 mm existing pipe (internal diameter). As drawing ___Contractor's choice |
Accessories | - |
Grate extension piece | Not required23 EP, aluminium, 150 mm diameter46 EP, aluminium, 222 mm diameterAs drawing ___Contractor's choice |
Terrace grate | Not required23 TG, aluminiumUse with 150 mm diameter grate extension to raise terrace grate to level of paved surface. 46 TG, aluminiumUse with 222 mm diameter grate extension to raise terrace grate to level of paved surface. As drawing ___Contractor's choice |
Standard product features | Material: Cast in grade LM6 aluminium silicon alloy. Diameter (visible): 304 mm. Pipe diameter:
Flow rate:
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Product Options | Accessories: – Grate extension piece:
– Terrace grate:
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