Quote Originally Posted by RobH2 View Post
I ordered a cheap space blanket (you know, that really thin mylar silver sheet stuff that folds to the size of a small bar of soap?) from Amazon and spray glued that to some thin cardboard that I also crushed to make thinner. I cut strips up and inserted them inbetween my wood carriage and heated bed. I have 4 strips that cover I'd say about 80% of the open space in there, and the silver points up. .
I had thin crushed cardboard under my bed. I didn't notice much improvement but I did notice it caused my bed to bow, which is the worst thing to deal with! So be careful putting anything under the bed which can even put slight pressure.