some years there was a 'mastic' of sorts where the metal sat on the wood - you might be able to deal with it by undercoating around the edges of the wood floor from below, or maybe the wheel tubs could be pulled and some sealer applied from the top

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics