Combe Valley Campers Double Primerless Windscreen/Campervan window bonding sealer.
 
No primer needed
Ready in 1 hour
 
The kit comes complete with a glass cleaner wipe, as well as a panel wipe, to clean the aperture that is being bonded. Full instructions are also on the tube.
 
Masterbond Primerless is also perfect for Polycarbonate window bonding.
 
Solvent & Isocyanate free
High viscosity / high strength
OEM approved