[Radman]

I agree with Doc.

The step area in our coach was not fully insulated and it was amazing how much cold air permeated the area. I have since sealed it up and added extra insulation in the area.

A fun footnote here, I used “foam in place” packing bags that we use at work. These are the packets you break the bags of the two parts to activate the packing foam. The foam is encapsulated in a bag and expands to provide a custom formed packing insert. In your coach the foam expands inside the plastic bag and forms to the contents of the area of your coach that your trying to insulate.

These are ideal to close off areas that are somewhat inaccessible to the standard methods of placing rigid foam. They work when you cant or don’t have the ability to use spray in place foam products and stay tightly in place. I still use an aluminum sheet and some aluminum tape to protect the foam bags from the elements.

Just a thought for those areas that you may have missed during the build process...

Rad