Coating exposed luan plywood with ??
The floor of my trailer consists of 2" of styrofoam compressed between a top layer and bottom layer of 3/16" luan plywood. The bottom layer of the floor was wrapped and glued with a tarp like material...
Forum Discussion
The "tarp like" material is probably like a Tyvek wrap used in home construction as a wind and moisture barrier. Talk to an RV place or possibly a modular home builder in your are to see if you can get some of the wrap to staple back up there.
