Insulating A Hip Roof Attic
However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.
Insulating a hip roof attic. If your attic is often used or perhaps you plan to convert it in the future you will need to insulate the inner surfaces of the roof. Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house. If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder. 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.
The attic is uninsulated. In either case you will need to follow the general steps below to insulate your garage roof. The floor joists in the attic appear to be 2x10 and filled with the cellulose. There is only about three feet of non hip ridge.
Insulating the pitched roof. The 2nd story ceiling insulation is a blown in cellulose and the walls 2nd story down is a blown foam. 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. Whether or not there is an inner roof lining and the total thickness of the roof structure.
How to insulate a finished attic. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling. No outlet venting found. This is a styrofoam shoot that you staple to the underside of the roof deck stopping the insulation from compressing against the underside of the roof and creating a 1 1 2 airspace for 4 to 8 long.
The technically correct approach depends on a number of factors. I would recommend that you install them the full length from the lowest part of the attic to where there is an adequate air space existing.