Begin laying in the insulation starting at an area farthest from the attic access image 1.
How to install insulation in attic ceiling.
You can find out more in our articles on how to apply a vapor barrier to attic insulation and which way to face insulation.
Cut side fin and fold baffle at the measured mark to allow for correct insulation height.
The standard width for joists is 24 inches.
While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.
Purchase rolls or packages of insulation that will fit in the spaces between the ceiling joists.
Lay the batts across the ceiling joists covering the existing insulation.
See below for a shopping list and tools.
Choose your insulation type.
When you reach the end of a line pull the insulation back slightly then place it on a joist so there is a solid surface to cut on.
Measure and mark the height on the baffle.
Check pipes and vents.
Before installing determine the insulation material best suited for your home.
This old house general contractor tom silva and host kevin o connor demonstrate the proper way to insulate an attic.
For all eaves with vents fasten bottom of baffle in place to allow insulation to completely cover the top plate.
Calculate how much you need.
When rolling the insulation cut it to length using a utility knife.
Set up a stepladder tall enough to work comfortably from.
Using a straightedge as a guide make your cut image 2.