Joe wrote:

My outside walls felt cold this past winter and I wanted to check if they
were insulated. Outside of knocking a hole in the wall is there any better
way of managing the destruction to see inside the walls? If I put the hole
low to the floor will I be able to see insulation or does it generally
start further up and how big of a how is necessary?

If the homes nearby are of similar construction, ask your neighbors.

--
Tony Sivori