Source for rectangular RV a/c ducting
Hey all, I'm having a bit of trouble locating a source for the narrow rectangular aluminum ducting that is used (usually in the ceilings for A/C units) in RV HVAC systems. I'm in the process of r...
Forum Discussion
I don't think I have ever seen sheet metal A/C ductwork- it's usually either formed in place Styrofoam, or corrugated plastic type. When I had to fabricate ductwork, I used a bit more room and fiberglass ductboard, but the stuff I used is fairly thick. Sheet metal will have to be insulated for this application, or you will have serious moisture damage.
