Where Should Insulation In An Unfinished Attic Be Laid

Why can t i install it the other way regardless of whether insulation is installed in a wall attic or crawlspace.

Where should insulation in an unfinished attic be laid.

For diy attic insulation you ve got two choices. The numbered areas shown in the illustration are as follows. Install batting between the attic s floor joists. That means insulating the attic floor only not the walls and having vents in the roof.

In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below. In an unfinished attic the goal of insulation is to keep the rooms below cool in summer and warm in winter. The batting material must be faced and at least as thick as. With the sun beating down on it in the summer and heat trying to escape through it in the winter attics require more insulation than your basement or walls.

Both can be added to uninsulated attics or layered over existing material. Unfinished or uninsulated attics need a layer of protection against air migration. The illustration above shows all the areas of the home where there should be insulation. With a finished attic insulation must help keep the attic areas comfortable.

Loose fill or batt the common term for blanket insulation. The paper facing should always face toward the inside of the home. How to insulate a finished attic.