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Old 07-20-2018, 09:37 PM   #7
dieselguy
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Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
Like I mentioned earlier … once you get up inside the underbelly, you'll see that there is just bunches of obstacles to work around should you consider solid pieces of say Styrofoam. Tanks, straps holding the tanks, heater ducts, hydraulic lines, plumbing, wiring, push/pull cabling for tank valves all make it hard to just try to lay bat insulation up in there let alone a solid piece of something. Nothing is neat and laid out in nice bundled straight runs … floor joists (if ya want to call them that) are not equally spaced … it's just all over the place. Just trying to paint a picture for you from someone who has been up in-between the frame I-beams.
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