Just finished reading all the threads related to this,lots of info. So what is the current best solution for our 21s?

 

got my tailgate seal from amazon and used these instructions to put it on. seems to work well, did this on my 19 250 as well... https://tailgateseal.com/. here is the seal I put on .. https://smile.amazon.com/gp/product/...?ie=UTF8&psc=1

 

What the heck is wrong with Ford.
First they make a truck with glass for a windshield and now they make a truck bed that gets dusty.
They need to get with the program.

 

Pick up beds aren't sealed for a reason. They need to drain. If you want dust/water free, buy an Expedition.
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With a good tonneau that's equipped with drain hoses out the front, there isn't a particular need to drain.

It's cute to say "buy an Expedition" because people don't want all the gravel road dust in their bed all the time, but, it's also an irrelevant statement that ignores the very many things an F150 has/does that an Expedition does not.