The depth of insulation is 2 feet - it was blown in. I also insulated the garage doorways with styrofoam panels acquired at copyright (There exists a particular package for this). Beforehand, the garage and lani were not insulated. Here's the glitch… instead of paying SECO you pay out Flexibility https://solarenergy24578.blogsvila.com/35085142/an-unbiased-view-of-solar-company