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.
Floor joist insulation faced or unfaced.
Any time you use a faced insulation the paper needs to be facing toward the living space.
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.
Tuck between joists above the basement or crawlspace.
Install batting between the attic s floor joists.
Run the unfaced strips perpendicular to the.
The same applies to faced unfaced and other kinds of insulation products.
Whether you choose faced or unfaced insulation for the attic depends on the application and whether some insulation already is present.
Staple the flange to the side of the framing member with staples spaced about 12.
If there is already insulation between the joists increase the r value by installing unfaced roll insulation right on top.
Here s when to use faced or unfaced insulation.
If you do use faced insulation you must take extra precautions to avoid having a fire.
If you need a vapor barrier and your insulation is unfaced you must cover it with a polyethylene film.
Faced insulation has flanges on the outside of the batt that need to be stapled to the wall studs and joists.
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.
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.
Experts refer to insulation as faced or unfaced basically faced insulation has a vapor barrier and unfaced insulation does not.
Unfaced insulation in your garage.
That s how the barrier is made effective.
Insulation in rolls called batts comes in two varieties.
Kathy november 26 2017 at 11 00 am.
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.
Unfaced crawl space insulation.
You may be required to cover the kraft paper with other materials depending on your local codes.
How to install insulation.
Faced insulation is a familiar type of insulation that often comes in rolls or batts and gets stapled to joists or other beams.
