Lay the batts across the ceiling joists covering the existing insulation.
Installing batting in attic.
Old insulation is removed and the attic space is cleaned out.
Loose fill insulation fibers are packaged in bags and blown in place to the desired depth and density using special.
Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end.
Calculate how much you need.
Choose your insulation type.
Insulating an attic with batts and rolls.
In this video we ll talk about how to insulate an attic with pre cut fiberglass batts and rolls along with all the tools and precautions you ll need along the way.
Before installing determine the insulation material best suited for your home.
Measure the size of the area you want to cover width and height.
Check pipes and vents.
You only want one vapor barrier in your attic and it should be as close to the ceiling as possible to prevent warm moist air from coming up from the heated house and condensing when it hits the cold air in the attic.
When installing multiple layers of insulation for optimal thermal performance install the first layer bottom layer parallel to attic framing members and flush with both bottom and top.
Go to a home improvement building supply with your measurements to purchase the insulation needed.
The batting material must be faced and at least as thick as the joists are wide so the batting is nearly flush with the top of the joists.
While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.
Installing attic insulation requires first preparing the surfaces around the attic entry to ensure that any contaminants in the attic aren t spread throughout the home.
Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way.
When rolling the insulation cut it to length using a utility knife.
Install the second layer top layer perpendicular to attic framing members.
Begin laying in the insulation starting at an area farthest from the attic access image 1.
This includes information on how to work around existing insulation or what materials you.
Also measure the depth of the studs most are.
Both layers combined must equal at least the required r value.
Measure the width between your studs most common is 16 on center.
Install batting between the attic s floor joists.