Why not just use Optimum Opti-seal or Adam's quick sealant? Both are super easy to apply and get great reviews. Look them up on google or here at Jeep garage.
2015 Grand Cherokee Overland on order 6/12/2014
Any guesses on delivery?
Current Status: KZ
D1 status date: 07/22/2014
Estimated delivery: 08/20/2014