EPDM Downpipe Outlets (Perforated Flange)

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The object content is configured for use in UK, but it may also be suitable for use in other locations.

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Preformed shape for use with downpipes drainage holes on flat roofs. Manufactured with perforated flange to improve bond to waterproofing membrane. Flexible, tough EPDM shape is inserted into drainage hole and bonded and / or mechanically fixed to the waterproofing membrane in a sandwich application.

Outlet shape is placed onto the rubber waterproofing and bonded using adhesive. Adhesive will ooze through the perforations to achieve an over-and-under bond. A patch of waterproofing is installed above the outlet flange and fully bonded completely over the top to ensure area is watertight. Drainage outlet is protected by having additional layer and fully sealed.

A round leaf guard should be inserted into top of hole once installed. Always prime both the outlet shape and the waterproofing membrane before installation.

Platform Compatible Version Certified to
IFC IFC - 1 2.1
Revit Revit 2017 + 1 2.1

  • Properties and values
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Properties and values

IFC
IfcExportAs
IfcWasteTerminalType
IfcExportType
NOTDEFINED
COBie
BOS_General
NBS_Data
InnerDiameterOfThePipeAtTheBottom
183 mm
InnerDiameterOfThePipeAtTheTop
183 mm
InstallationGuidance
Bonded to bituminous membranes in a sandwich technique where unit is heat bonded with hot air (no direct flame) to allow liquid bituminous membrane to become tacky and ooze through perforations to bond to second layer, can also be fitted using mechanical fix or bond using solvent adhesive - always prime both outlet and surface with solvent based primer
IntegralAccessories
Gravel excluder, leaf guard
OuterDiameterOfTheFlangeOrSurroundingRing
406 mm
OuterDiameterOfThePipeAtTheTop
192 mm
OuterDiameterOfTheWellAtTheTop
n/a
PipeHeight
250 mm

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