Need to raise camper 3"...looking for suggestions

JumboJet wrote:

Artum Snowbird wrote:
I had a rather expensive 1 1/2 by 3 frame made from light aluminium tubing on edge for mine. It was sprayed with Linux ..........

Please do not spray it with Windows Vista or Windows 8.

Linux or almost any other flavor of Unix would be preferred.

Of course, you could use Linex, Rhino Liner, or buy a kit at your favorite auto supply store.