We rebuilt my truck the winter of 2013-2014 We replaced the whole bed and swapped it with what we thought was a rust free bed. We put some fiber glass on the wheel well. But during this summer the fiber glass cracked. With out having to repaint the entire bed, how could I get it back to a decent look? Right now it just looks like ****. Also does LMC's bed side panels have the same rust issue?

 

I had rust above my fender wells, and didn't want to do the replacement panels. Instead, I bought, painted, and installed Bushwacker Street flares, which basically hides the damaged area. My truck is 2-tone, so I painted it to match the upper/bottom colors. Looks real sharp.

 

+1 here. I wrestled with the same issue,gave up and got the same Bushwackers from Summit. I didn't paint them but the black on my white truck looks great. Get the Street Flares, they come up pretty high but don't stick out much. I paid about $350 for the set of 4. Well worth it.

 

I am confused. What did you put the fiberglass on and why?

LMC = Likely Made in China

 

A good rust free southern bed is your best bet, if you can find one.
Repairing rust will keep it pretty for a couple years until your patch areas rust through, and they will.
I have never seen a patch job last here in the salt zone (no idea where you are located). Once the rust cancer has started you can never get rid of it without replacing the whole bed.
Even doing a bed side, the areas inside that get burned from spot welding will easily rust. You're just asking for trouble.

All depends on how much you like your truck, how long you want it to look good, and what you want to spend on it.

 

Isn't this why the new panel adhesives are the preferred option? Still not as good as a rust-free Southern bed, but they're not exactly falling out of the sky. Thanks to us rust-belters wanting to get our sticky fingers on them, they're getting harder and harder to come by.

 

Panel adhesive is the ONLY way to prevent the rust from starting in the first place....
https://www.ford-trucks.com/forums/1...-bedsides.html

 

Panel adhesive requires removing all the paint ( and all the factory corrosion protection usually ) . Its better than welding . Oil in the seams will help more than anything else .