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Old 01-29-2019, 05:07 AM   #1
1 Rivet Member
Charlotte , North Carolina
Join Date: Nov 2016
Posts: 6
Motorhome Floor Insulation

Has anyone had any success insulating the floor on their Motorhome? My 310 doesn’t have an underbelly, and has zero insulation. I was thinking about stapling some of that reflective bubble wrap stuff under the floor areas. A previous owner used some spray foam in the basement compartments, but the floors are ice cubes when it’s cold.
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Old 01-29-2019, 05:29 AM   #2
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2009 27' FB Flying Cloud
1991 35' Airstream 350
Jay , Oklahoma
Join Date: Oct 2006
Posts: 1,695
You are camping in the wrong places....I use the tires to keep warm.

Move to where it’s 75 outside.

But seriously, I replaced carpet in half of mine and doubled the padding. It helped some.


Jeff & Cindy
'09 27FB Flying Cloud
'91 350 LE MH
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Old 01-30-2019, 05:01 AM   #3
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Charlotte , North Carolina
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We are, but the nights get a little cold down here in Florida.
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Old 01-31-2019, 01:06 PM   #4
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Churubusco , Indiana
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I've got my 310 in the subzero polar vortex right now, the floors are about 40 degrees, so I put on slippers

Many have insulated under their floors, I've got 2 inch thick rockwool I'm going to install when I get around to it, others have just used the foil backed foam board from the hardware store with good success.
1983 Airstream 310 Class A Motorhome
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Old 01-31-2019, 03:07 PM   #5
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1984 27' Airstream 270
Scotia , New York
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Posts: 1,082
A quickie method may be to put padding under your carpeting
Do not take life too seriously.
You will never get out of it alive.
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