A pack canoe would be a better choice. You sit low in the boat, like a kayak, you can carry gear, pets, etc. with greater accessibility, very efficient with either a double or single blade paddle and much lighter than a solo canoe or kayak.
I made my spreader bars out of plastic conduit that I purchased at the local hardware store. Cut them to length and thread your strapping, rope, etc. through them and mount to the rafters, I used eye bolts.
I can’t believe with over 2,000 subscribers that it is taking this long for people to step up. This forum has no advertising popping up and it’s purely about canoeing.
Go to etrailer.com and input you truck information and they will have several front receivers, the also offer roof rack and goal post for you truck. That is the best way to carry a canoe while towing your 5th wheel trailer.
Welcome Jan, we really like visiting the UP. This is a great place to discuss and learn about canoeing. I personally have a Northstar Trillium pack canoe in Blacklite with E6 trim.
The straps don’t wrap through the windows, you open the doors run the straps over the door jams, connect the straps, tighten them and close the doors. Door gaskets should prevent leaks.