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Old 06-19-2024, 09:21 AM   #1
New Member
Join Date: Jun 2024
Location: Montana
Posts: 1
Year: 1990
Hello from Montana

Greetings from the land of snow on the mountain in June,
I'm the happy owner of a 1990 Chevy 4 window short bus. I've been removing seats, rubber flooring and now down to the original plywood underlayment. My husband crawled underneath and said it looks like the floor below the plywood is like a metal pickup truck bed.
Yesterday we bought insulation board(pink) and new plywood. I'm wondering if we should take off the underlayment and rebuild the floor from the metal layer?
Hubby is concerned about hitting his head on the ceiling if we add 3" on top of the original plywood?
I'm just curious what the common way is of doing this part?
I suspect there are valid arguments for either method.
Being brand new to forums, I'll be searching about for answers, but any replies are willingly accepted

Jeaninmt is offline   Reply With Quote
Old 06-19-2024, 10:15 AM   #2
Join Date: Feb 2024
Posts: 43
Year: 1991
Coachwork: Ward - Volunteer
Chassis: International 3800
Engine: DT466, Allison MT643
Rated Cap: 8 Window
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Yes to taking it down to the metal. Be sure to treat it and then come up with foam than plywood.
Miloshk is offline   Reply With Quote

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