Flavent Rainwater Outlet Vent Base with Bitumen Skirt

Product Code: KF6501

Flavent Rainwater Outlet Vent Base with Bitumen Skirt

Product Code: KF6501

Slender inlets for narrow roof penetrations, which can be inserted into existing pipes

Bitumen Skirt can be joined to a bitumen waterproofing flat roof system to provide maximum security and waterproofing levels.

Variable height options

Weather, frost and UV-resistant

Optional pipe extension allows for all thermal insulationthicknesses

Product Description

Bitumen skirt Rainwater Outlets with a 4mm thick polymer-bitumen connector membrane, are available as single piece unit. They can be used for ventilated flat roofs, or they can be combined with an adjustable height base section for use with unventilated flat roofs.

Area of application

Single-piece flat roof rainwater outlets are suitable for ventilated flat roofs and two-piece flat roof rainwater outlets are suitable for unventilated flat roofs.

Installation Tips

Specify sufficient fall/s to meet BS6229. Rainwater outlets should always be freely accessible for maintenance.

It is recommended that roofs with interior drainage must have at least one emergency overflow or several exterior downpipes.

Position rainwater outlets at the lowest point of a roof. The position and number of outlet pipes should be calculated using current regulations and best practice to ensure that surface water can drain away effectively. Maintain sufficient distance from rising building componentsand joints.

Rainwater outlets and emergency overflows should be fixed to the substructure of the roof. If the roof surfaces are divided into sections (e.g. fire compartments) then these areas must also be drained individually.

Rainwater outlet flanges should be compatible with the roof membrane to ensure a watertight seal is made. Flanges should be below the roof membranes finished level to ensure that water does not puddle around the outlet. A two-piece outlet must be used to connect to the vapourbarrier in a ventilated roof.



Features
Product code
KF6501
Roof Type
Flat Roofing
Product Category
Drainage Outlets for Non-Insulated Roofs
Subcategory
Drainage Outlets
Width
500 mm
Length
500 mm
Height
255 mm
Diameter
70 mm
Weight
2.721 kg
Packaging
Box quantity
5
Pallet quantity
8
Technical Data
Colour
Black
Material
Bitumen and PVC
Fire rating
E
Resistance against UV-Radiation, DIN EN 1253-1
passed
Technical Data
Colour
Black
Material
Bitumen and PVC
Fire rating
E
Resistance against UV-Radiation, DIN EN 1253-1
passed
Features
Product code
KF6501
Roof Type
Flat Roofing
Product Category
Drainage Outlets for Non-Insulated Roofs
Subcategory
Drainage Outlets
Width
500 mm
Length
500 mm
Height
255 mm
Diameter
70 mm
Weight
2.721 kg
Packaging
Box quantity
5
Pallet quantity
8

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