Please note the profiles are not a perfect fit as 
We allow a slight gap to allow your bonding or sikaflex to form an effective seal all vans can vary slightly
or if a roof light has been fitted previously and ridges have been squashed down which is out of our control please view the pictures to see how we use the bond and seal on the profiles.
We use this on all our roof vent installations along with the roof profiles as per picture these are just for the Fiat Ducato Peugeot Boxer and Citroen Relay
We recommend 1 tube per vent
Elastic PU adhesive and sealant for a wide range of applications
Universal application
Outstanding adhesive strength on a wide range of materials and surfaces.
Approved for use with foodstuffs (ISEGA certificate)
Harmless to health in hardened state Suitable for gluing and sealing in food processing areas
Highly elastic
Bonding of identical and different substances possible
Compensation of different material expansions
Absorbs vibrations and sounds
Long skin formation time
Allows bonding or sealing of complex components
Also ideal for large surfaces
Assembly components can be repositioned
Can be ground/painted
Following skin formation, can be mechanically machined and painted over without surface activation (perform preliminary tests to check paint compatibility).
Not corrosive
Avoids corroding the metal
Odourless
Silicon-free
Notice
Do not allow this product to come into contact with alkyd-resin paint systems. Not suitable for glass groove sealing and for expansion joints in the construction sector.
Direct sunlight may result in yellowing of the surface. Not suitable for PE, PP, PTFE, silicone, polystyrene and plasticised plastics.
Minimum adhesive thickness: 3 mm. It is essential to use Adhesion Plus products in order to achieve optimum adhesion results.
Proof of Performance
ISEGA:
Can be used where food is processed or stored, e.g. for bonding wall and floor areas in food processing companies.
Clearance certificate no.: 41958 U 16