11:26AM | 01/14/05
Member Since: 10/25/04
1 lifetime posts
As kids, we ripped the insulation out of the eaves of my parent's Cape Cod cause "that stuff itched when we played in there". Now that we're older and wiser, we're going to replace it this weekend. Our question is "Where do we put it?"

The upstairs is finished, but unheated. There are 4 bedrooms with a sloped roof forming the eaves (about 3x3 foot) across the front of the house and a dormer in back. There appear to be vents on both sides (i.e. unsloped) ends of the house. The floor of the eaves are finished with sub-flooring

Do we put the insulation:

a) on the floor of the eaves

b) up the short wall (i.e. on the opposite side of the bedroom wall

c) up the sloped wall to the roof. If so, should we go up?

I assume the paper faces the floor in the eaves and the bedroom on the short wall and sloped section

Hoping I can still fit,



07:47AM | 01/19/05
Member Since: 01/28/01
171 lifetime posts
Insulate the floor of the eaves (vapor barrier down) if that area is the ceiling of the floor below.

Insulate the vertical walls of the finished upstairs (vapor barrier to finished side).

Insulate slope but make sure to leave ventilation (vapor barrier to finished side).

You need to have ventilation throughout the underside of the roof to keep the sheathing and shingles cool and dry.


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