In either case you will need to follow the general steps below to insulate your garage roof.
Insulate attic with hip roof.
Most codes require a specified minimum amount of headroom and it s tough to meet this requirement when insulating a finished attic especially since most codes require insulation equal to r 38 or more.
Have read your commentary about insulating an attic with hip roof.
8 pitch roof 2 6 rafters 1 2 plywood sheeting.
Originally we insulated with the pink fluffy stuff.
The rafters are 2x8 s.
That means insulating the attic floor only not the walls and having vents in the roof.
I am installing my insulation baffles for the attic.
Am building a 10 x10 closet in attic under a hip ridge.
I have run into a problem.
A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.
Insulating hip roof attic.
My roof is a hip style and the corners have a main bridge truss that the smaller guys attach to to form the corner.
The next two on each side have a little more room as you can see which i just cut the insulation baffle at an angle to fit in.
With a finished attic insulation must help keep the attic areas comfortable.
However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.
To meet all three goals insulating your finished attic ventilating the roof and maximizing headroom use a combination of dense batt insulation rigid foam sheeting and air chutes.
Insulating in and around your roof attic space also prevents long term damage from moisture build up or ice damming which results from the warm air trying to escape through the apex of the roof but instead heating up the snow.
I m renovating a two story home for my daughter.
The roof overall is 26 x8 and the max height where it meets up with the house is maybe 2 2 1 2 high.
Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house.
After putting in 4 knee walls the room will measure 24 x 16.
If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder.
The first two immediate rafter bays in the corner have very little room.
You recommend a sealed condition attic ie.