Corrugated floor insulation foam board
I am building an RV out of a Chevy Express conversion van. Parts of the ribbed metal floor came covered with a corrugated foam board which matches the metal perfectly so it results in a flat top, idea...
Forum Discussion
How about one outta the box idea. Spray foam like Great Stuff then trim it back level with a saw. I've seen this done on the studs of a garage.
