The depth of insulation is two ft - it was blown in. I also insulated the garage doors with styrofoam panels obtained at copyright (There may be a selected kit for this). Earlier, the garage and lani weren't insulated. I'm replying but for a distinct rationale. I'm now in the https://solar-energy25554.wizzardsblog.com/34858406/5-simple-techniques-for-solar-company-in-sriganganagar