Right now, I can do nothing as the coach is in the Ford dealership trying their best to fix the A/C system. I thank all for their input. It looks right now I will seal the wood under the driver & passenger area then put on a noise and heat shield material likely Dynamat (about 1/4 inch thick) then use the Dynamat material that is about 3/4 inch thick over top of it all. Under the dog house currently there is about 1/4 inch material which I will cover over that existing material with the 3/4 inch material. I am now looking for a less expensive material than the Dynamat but so far, that is the only material that will not take on water. As to the ride, I will do the CHF initially then Sumo Springs later (in a couple months). Again thanks to all for the information.. BTW, Thor is of no help what so ever.
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