Joann,
OSB is oriented strand board, I think. Basically compressed wood
chips. MDF, medium density fiberboard, is a finer quality and basically
compressed sawdust. Both are heavier than plywood and cheaper.
Bill Kerfoot
WBCCI/VAC/CAC #5223
1973 Dodge W200 PowerWagon
1977 Lincoln Continental
1979 23' Safari
1954 Double Door 29' Liner
Orange, CA
http://www.tompatterson.com/gallery/Bill-Beth-1979-Safarihttp://www.tompatterson.com/gallery/album06
-----Original Message-----
> This is somewhat embarrassing as I have followed this discussion, but
> what the heck is OSB? I do tend to agree with Uwe and Colin on the
> flooring situation. When you think or see that you have a little
> problem and then if you really tear into it, you'll probably find a
> lot more wood rot and rusty elevator bolts and probably even rust on
> the frame in that area. It's probably a daunting proposal and it's not
> an easy thing to do, but if one intends to keep that AS for a while,
> and use it and do a lot more improvements, consider the whole floor
> replacement. You can then rework the frame, strengthen it where
> needed, and really get yourself some confidence in zooming down the
> interstate.
> Jo Ann