Re-enforcing water damaged plywood?
Late last year a seal by the antenna in a 1992 18' Scout Nomad allowed some water to come in on the front right corner of the trailer. The plywood in the wall feels like it might have absorbed some wa...
Forum Discussion
valhalla360 wrote:
The problem with any of the penetrating epoxy solutions is by the time you open it up and get access to apply the epoxy...it's less effort to just cut out the bad plywood and put new in.
Exactly. They (and most any other product) won't penetrate through plywood very well at all from the flat side, and none at all through vinyl wallpaper. You'd have to get it in amongst the plies, which basically means taking the wall apart, and at that point why not rebuild it properly?
Often when plywood gets wet, it looks to me like glue that binds the layers together gives out before the wood itself is extensively water damaged. That does depend a lot on the type of plywood used; marine plywood, in particular, has waterproof or at least very water resistant glue and so doesn't tend to break down in this way. That said, RV makers certainly don't use marine plywood on interior walls!
