Measure the size of the area you want to cover width and height.
Installing batting in attic.
Check pipes and vents.
Choose your insulation type.
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.
Install the second layer top layer perpendicular to attic framing members.
Also measure the depth of the studs most are.
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.
Old insulation is removed and the attic space is cleaned out.
Insulating an attic with batts and rolls.
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.
Before installing determine the insulation material best suited for your home.
Lay the batts across the ceiling joists covering the existing insulation.
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.
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.
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.
This includes information on how to work around existing insulation or what materials you.
Choose your insulation type and material 1.
Calculate how much you need.
Hi cheryl the paper facing on insulation has an asphalt layer which acts as a vapor barrier.
Both layers combined must equal at least the required r value.
Begin laying in the insulation starting at an area farthest from the attic access image 1.
Install batting between the attic s floor joists.
Measure the width between your studs most common is 16 on center.
While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.
Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way.
Go to a home improvement building supply with your measurements to purchase the insulation needed.