If you are shopping for a garage door with insulation you may see a few different numbers provided that measure the effectiveness of the insulation.
Insulated in garage door.
Comparing insulated garage doors.
18 4 r value intellicore insulated solid white garage door 15 model cxu13 sw top11 1776 00.
Pella carriage house 192 in x 84 in insulated white double garage door with windows.
Model 5720 12 76 r value.
Clopay coachman collection 9 ft.
Here is a brief definition of each.
The floor of your garage is probably built on a slab which means that it isn t insulated and is an ongoing source of energy transference.
12 9 r value intellicore insulated white garage door with plain windows 116 model hdp13 sw plain 1001 00.
Metal garage doors can use any type of insulation.
R value a garage door s r value represents its ability to slow the transmission of heat.
Wooden frame and panel garage doors need a rigid insulation such as foam board.
Garage door insulation is of limited value anyway given the other areas of the garage that are equally problematic in terms of heat loss.
Model 5740 17 5 r value.
Polyurethane garage door insulation provides thermal efficiency 9 31 r value.
If you have wooden garage doors insulating them should be a high priority if you want to improve the temperature of your garage.