The climate the type of foundation whether the slab includes hydronic tubing for radiant heat and the severity of the local termite problem.
Insulating a concrete slab around garage door.
Insulating a garage door will help reduce energy bills and protect items in your garage from harsh outdoor temperatures.
When a slab is being insulated in new construction the vapor barrier is usually laid down first before the slab is poured.
Controlling moisture in a garage is done by using exterior grade plywood sheets laid over the foam insulating panels and also by laying down a sheet of polyethylene plastic as a vapor barrier to block moisture.
Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures.
Martin holladay explains insulating a slab on grade in the energy smart details department.
For monolithic slab and footing the insulation must extend only to the bottom of the footing or the distance specified whichever is less.
Garage door insulation project guide.
Insulating a slab on grade depends on at least four factors.
The rated r value of insulation shall be installed around the perimeter of the slab on grade floor to the distance specified.