Unfaced insulation in your garage.
Floor joist insulation faced or unfaced.
Experts refer to insulation as faced or unfaced basically faced insulation has a vapor barrier and unfaced insulation does not.
Install batting between the attic s floor joists.
Any time you use a faced insulation the paper needs to be facing toward the living space.
Insulation in rolls called batts comes in two varieties.
Here s when to use faced or unfaced insulation.
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.
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.
If you need a vapor barrier and your insulation is unfaced you must cover it with a polyethylene film.
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.
Kathy november 26 2017 at 11 00 am.
The facing on faced insulation acts as a vapor retarder.
You may be required to cover the kraft paper with other materials depending on your local codes.
Faced insulation is a familiar type of insulation that often comes in rolls or batts and gets stapled to joists or other beams.
For example if you plan on using your garage for your welding projects you run the risk of having a welding fire.
How to install insulation.
If you do use faced insulation you must take extra precautions to avoid having a fire.
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.
It s also important that there be no air pockets in the insulation as this is where the cold spots spring up in rooms.
Whether you choose faced or unfaced insulation for the attic depends on the application and whether some insulation already is present.
If there is already insulation between the joists increase the r value by installing unfaced roll insulation right on top.
Without stapling moisture still has a path into the room.
The same applies to faced unfaced and other kinds of insulation products.
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.
Run the unfaced strips perpendicular to the.
Tuck between joists above the basement or crawlspace.
That s how the barrier is made effective.
Unfaced crawl space insulation.
