Floor Joist Insulation Faced Or Unfaced

The same applies to faced unfaced and other kinds of insulation products.

Floor joist insulation faced or unfaced. If you do use faced insulation you must take extra precautions to avoid having a fire. It s also important that there be no air pockets in the insulation as this is where the cold spots spring up in rooms. Unfaced crawl space insulation. Whether you choose faced or unfaced insulation for the attic depends on the application and whether some insulation already is present.

Install batting between the attic s floor joists. When insulating basement walls don t forget the band joist the piece of wood at the top of the wall that extends around the perimeter and encloses the ends of the floor joists. Staple the flange to the side of the framing member with staples spaced about 12. Insulation in rolls called batts comes in two varieties.

Tuck between joists above the basement or crawlspace. The insulation should extend all the way down to the basement floor or at least to below the frost line the depth to which the ground freezes in winter. Here s when to use faced or unfaced insulation. Faced insulation has flanges on the outside of the batt that need to be stapled to the wall studs and joists.

That s how the barrier is made effective. The facing on faced insulation acts as a vapor retarder. 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. How to install insulation.

For example if you plan on using your garage for your welding projects you run the risk of having a welding fire. Faced or the type with paper is typically used in first time applications such as in walls ceilings floors and in crawl spaces. It wasn t all of the floor joists it was just the bottom of the floor joists that was exposed allowing the aired to get to the moisture and drying it and then causing it to dry rot. Position the flange flat against the side face of the wall stud or floor joist or roof rafter so the edge of the flange is flush with the interior edge of the stud joist or rafter.

Experts refer to insulation as faced or unfaced basically faced insulation has a vapor barrier and unfaced insulation does not. Any time you use a faced insulation the paper needs to be facing toward the living space. Run the unfaced strips perpendicular to the. You may be required to cover the kraft paper with other materials depending on your local codes.

Kathy november 26 2017 at 11 00 am. Unfaced insulation in your garage. Without stapling moisture still has a path into the room.