Garage Mat Slab Insulation Layer
Dow Blue Board High Strength makes up our 1 foot thick insulation Layer below the structural mat slab of the garage
Geothermal system (2 black pipes on the left side of the photo) has been filled with 40% food grade glycol. The geothermal system supplies the garage hydronic system to heat the slab to 50 to 55 deg. F.