xtremewlr
Senior Member
Installed the backer rod on my truck this afternoon. Home Depot where I'm at had 3/8, 1/2 and 5/8. I went with the 5/8 and will say it's maybe a little too thick but we'll see if it crushes down a little over time with the doors closed. If not, then I will switch to the 1/2" stuff.