If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing.
How to put insulation in your attic.
Block all vents in the attic floor with baffles making sure to extend the baffles at least four inches above the planned thickness of your insulation.
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.
Install or repair vent chutes.
Calculate how much you need.
Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end.
Blown in insulation in the attic seal attic bypasses.
Batts and blankets insulation often comes with a vapor retardant facing and some varieties.
Installing a vapor barrier.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any.
3 have a friend add material to the hopper.
You can add loose fill on top of fiberglass batts or blankets and vice versa.
Pull the existing insulation away from the roof.
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.
Position the new vent chute so the.
Place planks 1 by 6 or 1 by 8 or plywood sheaths across floor joists to improve.
It needs to be unfaced.
Lay the batts across the ceiling joists covering the existing insulation.
How to insulate an unfinished attic preparing an attic for insulation.
Before installing determine the insulation material best suited for your home.