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Originally Posted by Zeppelinium
......... I'm particularly curious about what we have discovered regarding best methods for underfloor insulation......
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I'm planning on using Malcom's foil method as well, provided I can afford it! The underfloor part....I'm going with closed cell foam sheets, the same stuff you see on the outside of new home construction, glued to the bottom of the floor. Or at least that's what I'm thinking of doing. Two reasons. The 3/4" plywood floor is an excellent insulator by itself. We had a walk-in freezer at Scout Camp when I was a kid that was made of wood that would cool to something like -10 degees. The other reason is that the belly pans on the '70's models allow mucho water in and the pink stuff insulation turns into a muddy, wet, soppy mess. I've made conserable effort to keep water out of the pan, but in the event water does get in (it will), I don't want material sittiing in the belly pan wet and potentially ruining all the work I've put into rehabing the frame and floor.
What do y'all think of my plan? Does it make sense? Or am I all wet?
Jim