pb4uski
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I’m building a 24’ x 28’ two-car garage on a slab with an attic loft that will be 24’ x ~18’. We will use the attic loft as a hobby room and it will have a ½ bath.
We live in a cold climate region at about 1,600 feet and do not need air conditioning. We plan to use the attic loft in the winter so it will need to be heated. We’ll probably use a direct-vent thru-the-wall propane heater on one of the gable end walls (the 28' wall).
My question has to do with the best way to insulate the garage. We’ll probably use spray foam insulation (like we used on our home). Option A is to foam the walls at the garage level (where the cars will be parked) and the roof and gable end walls in the attic (similar to our home where the whole exterior envelope is spray foam insulated). Option B would be to spray foam the garage ceiling under the attic deck floor and the attic loft roof and gable walls so the level where the cars are parked is uninsulated and the attic loft is insulated.
After accounting for doors and windows in the garage space, I think the area to be foamed under either alternative is about the same so the cost of the insulation should be comparable between the alternatives.
Which alternative do you think is better? Why? Any direct experience with either option at your house?
We live in a cold climate region at about 1,600 feet and do not need air conditioning. We plan to use the attic loft in the winter so it will need to be heated. We’ll probably use a direct-vent thru-the-wall propane heater on one of the gable end walls (the 28' wall).
My question has to do with the best way to insulate the garage. We’ll probably use spray foam insulation (like we used on our home). Option A is to foam the walls at the garage level (where the cars will be parked) and the roof and gable end walls in the attic (similar to our home where the whole exterior envelope is spray foam insulated). Option B would be to spray foam the garage ceiling under the attic deck floor and the attic loft roof and gable walls so the level where the cars are parked is uninsulated and the attic loft is insulated.
After accounting for doors and windows in the garage space, I think the area to be foamed under either alternative is about the same so the cost of the insulation should be comparable between the alternatives.
Which alternative do you think is better? Why? Any direct experience with either option at your house?