Garage/workshop too cold
I have an attatched garage with insulated walls. The ceiling is drywalled but has no insulation. I want to work in the garage but it is way too cold. The snow will not melt from my car. Anyhow, if I insulate with rolled batting how much of a difference will there be? I was originally going to put down R-38. Then I thought I should put 2 layers of R-30 criss-crossed to give me R-60.
Am I going to gain any more warmth by R-60 over the R-38??