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Bauder bitumen DN70
  • Bauder bitumen DN70

Bauder Bitumen Vertical Outlet DN 70 & 150

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A thermally insulated cast polyurethane rainwater outlet with vertical spigot giving thermal continuity. The outlet comes with a pre-attached bituminous flange to ensure waterproofing integrity between the outlet and membranes. The BRE Certified (report no. HPR357-303748) high thermal value of the rigid foam body prevents condensation from forming on the underside of the outlet body. 

Outlet has a flow rate of 7.1 (70DN) & 7.2 (150DN) litres/sec based upon requirements of BS EN 12056:3:2000. 

For use with Bauder bituminous waterproofing membranes when connecting to conventional gravity drainage systems. The DN70 is also used as part of Bauder’s blue roof system. The product is designed to be used in warm, cold, and inverted roof scenarios. The spigot is designed to fit standard 75 mm (70DN) and 160 mm (150DN) pipework (see pipework connectivity information in the Technical Data Sheet). Where a warm roof system is specified, a separate extension piece will need to be ordered to maintain thermal integrity. This is available with a spigot length that can range from 60 mm to 220 mm according to the insulation thickness specified. A separate 60mm thick extension unit housing can also be ordered to accommodate the extension piece to save having to cut insulation on site to suit.


Product details

CharacteristicTest MethodUnitValue
Length of outlet including spigotmm258
Width of outlet openingmm189
Width of spigot (external)mmDN70 = 70     
DN150 = 150 
Width of spigot openingmmDN70 = 75
DN150 = 160 
Width of outlet bodymm250
Weightkg2.5
Flow rate performancelitres/sec70DN = 7.1*    
150DN = 7.2* 

*Flow rate performance data using a 35 mm head of water (including leaf grille), based upon requirements of BS EN 12056:3:2000. Further flow rate performance data can be obtained within the Technical Data Sheet. For bespoke drainage calculation performance data, please contact us. 

All further technical information is stated on the data sheet.
This product does not require a Declaration of Conformity (DoC) or Declaration of Performance (DoP).

Bauder bitumen DN70

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