My 04' Trail Cruiser is in right now having the roof replaced at Rhino Liner. They are spraying it with the Tuff Grip. This place doesn't spray the newer Eco-Coat as it's no different than the Tuff Grip. They've been in business for 22 years and have...
We have had both and it is a definite yes. The glass windows and hard walls quiet it down quite a bit. When sleeping on the bunk though the answer is obviously no. Vinyl or canvas would be louder than an insulated wall anytime.