I have used Challenger Door for a part on my Livin Lite trailer, they are the best folks to deal with.Check out this video of the strength of these doors.https://www.youtube.com/watch?v=7IzGT7PWxU4#action=share
Sangre De Cristo mountains of southern ColoradoWe've towed it to Colorado and back from Louisiana five times now, it's a dream to tow since it is the same width as the truck.People often ask what "toy" are you hauling?