Before installing determine the insulation material best suited for your home.
How to install insulation in an attic ceilings.
With a helper to load the blower with insulation as needed start at the perimeter of the attic and work toward the attic access door.
Cut side fin and fold baffle at the measured mark to allow for correct insulation height.
For all eaves with vents fasten bottom of baffle in place to allow insulation to completely cover the top plate.
When rolling the insulation cut it to length using a utility knife.
This old house general contractor tom silva and host kevin o connor demonstrate the proper way to insulate an attic.
Cut a section long enough to fill the bay from a roll of insulation using a utility knife.
Verify the height allows for 1 inch of required air space.
Climb the ladder and measure the length of one of the bays between a pair of joists with a tape measure.
Begin laying in the insulation starting at an area farthest from the attic access image 1.
See below for a shopping list and tools.
Fill every joist space completely and evenly with the insulation leaving attic vents uncovered.
While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.
Find a pre screened local home insulation contractor.
Calculate how much you need.
Choose your insulation type.
Lay the batts across the ceiling joists covering the existing insulation.
Check pipes and vents.
Measure and mark the height on the baffle.