How To Put Insulation In Your Attic

Choose your insulation type.

How to put insulation in your attic.

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. It needs to be unfaced. Calculate how much you need. Place planks 1 by 6 or 1 by 8 or plywood sheaths across floor joists to improve.

Install or repair vent chutes. 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. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing.

How to insulate an unfinished attic preparing an attic for insulation. You can add loose fill on top of fiberglass batts or blankets and vice versa. Lay the batts across the ceiling joists covering the existing insulation. Blown in insulation in the attic seal attic bypasses.

3 have a friend add material to the hopper. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. 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. Installing a vapor barrier.

To install insulation. Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end. Pull the existing insulation away from the roof. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.

Batts and blankets insulation often comes with a vapor retardant facing and some varieties.