This includes information on how to work around existing insulation or what materials you ll need to start from scratch to ensure moisture stays out of your attic.
Installing roll insulation in attic.
Choose your insulation type.
When rolling the insulation cut it to length using a utility knife.
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.
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.
The energy efficiency of fiberglass insulation.
Using a straightedge as a guide make your cut image 2.
Gently press the insulation between two studs with its moisture barrier facing out toward the room.
Fit the insulation into the framing cavity starting at the top for walls.
So if you re installing insulation in an attic that doesn t have any used faced insulation and put the paper side down toward the ceiling.
Unfold the mounting tab along each vertical edge of the batt.
The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses.
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.
Calculate how much you need.
Begin laying in the insulation starting at an area farthest from the attic access image 1.
Before installing determine the insulation material best suited for your home.
Cut the insulation roll or batt to fit the length of the framing cavity if necessary.
Old insulation is removed and the attic space is cleaned out.
Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way.