Putting Fiberglass Batts In Attic

It needs to be unfaced.

Putting fiberglass batts in attic. Rather than being a bully like guardian did to me a couple of years ago they commented on the article and asked for a dialogue on how to get better installation in the. If there is already insulation between the joists increase the r value by installing unfaced roll insulation right on top. These walls are of 2x4 construction with vertical unfaced fiberglass batts held in place with a thin mesh. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

Before choosing blown vs. If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing. Speaking of fiberglass batt insulation carl seville a k a. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.

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. What is the right insulation for an attic. Insulate your attic with fiberglass batts. At the perimeter of the attic lay the.

Batt insulation is available at home centers and lumberyards. You can add loose fill on top of fiberglass batts or blankets and vice versa. In my garage attic i have 60 x 10 feet of vertical walls facing the hot attic space. Whether using loose fill or batts put the vapor barrier closest to the warm side of your installation where hot moist air would get in facing the house s interior in cold climates beneath floor insulation and the attic s interior in hot climates on top of floor insulation.

If your attic floor has no insulation install faced batts or faced rolls between each joist with the moisture barrier facing down against the drywall or plaster ceiling below. Lay the batts across the ceiling joists covering the existing insulation. The green curmudgeon wrote another article on poorly installed batts recently with photos of knauf fiberglass. Blown in insulation consists of bags of fiberglass or cellulose that are chopped up and blown in to the attic or wall from a machine.

1 the interior walls on the backsides of these attic walls are warmer to the touch than other walls in the room. Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end joints. Batt insulation take time to read this column. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.

Air migrates from warmer spaces toward colder spaces and insulation is designed to help prevent or at least slow that migration.