Insulating A Hip Roof Attic

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 a hip roof attic.

Whether or not there is an inner roof lining and the total thickness of the roof structure. If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder. In either case you will need to follow the general steps below to insulate your garage roof. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.

No outlet venting found. 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. That means insulating the attic floor only not the walls and having vents in the roof. Insulating the pitched roof.

The technically correct approach depends on a number of factors. With a finished attic insulation must help keep the attic areas comfortable. The attic is uninsulated. 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.

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. 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. How to insulate a finished attic.

The 2nd story ceiling insulation is a blown in cellulose and the walls 2nd story down is a blown foam. 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.