I had the same problem with my 2017 IKSS. I used the 3M weatherstrip adhesive and it worked great. I consider it to be a permanent repair.
Steve, Barb, and 5 daughters who love to camp
2017 Shamrock 23IKSS, Yellow sticker: 5314 lbs, Equil-i-zer 4pt. 1,000/10,000
2006 Fleetwood (Coleman) Niagara: Sold!
2003 Suburban 1500 Z71, 5.3/3.73, airbags, LT tires, Big Brake Upgrade, Prodigy P2