Thanks Jim, that is on my list also. I intend to duct tape any openings in the "belly pan" too. What did you use to seal the pipe, hose wire holes? Just foam?Gord,
It was the dust from many miles on the Trunk Road in Alberta that pushed me to fix my dust problems. Took a few interior panels off to access the many "through floor" penetrations for plumbing, electrical, etc. to sealing those gaps finally ended the dust. The trailer had a belly pan cover too but coming at it from the top finally ended it.
Cheers,
Jim