Can you double up ceiling insulation?

A: There’s no problem with installing fiberglass batts over your existing blown-in insulation. If you install faced insulation over existing blown-in, you’re essentially putting the vapor barrier in the middle, between the two layers of insulation.

Can you reuse ceiling insulation?

Insulation professionals can completely recover and reuse cellulose for continued use to help save money on your insulation needs.

Can you put 2 layers of insulation?

How many inches of insulation should I have in my attic?

The recommended level for most attics is to insulate to R-38 or about 10 to 14 inches, depending on insulation type.

Can you lay insulation on top of old insulation?

According to ENERGY STAR®, you can put new insulation over old insulation, “unless it is wet. The vapor retarder on top of or between layers of insulation can trap moisture. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

Can you double up on attic insulation?

A tip for doubling up on attic insulation. A: There’s no problem with installing fiberglass batts over your existing blown-in insulation. The only thing you want to make sure of is that you use “unfaced” insulation, meaning it doesn’t have a paper or aluminum foil facing on the batts.

Can I reuse old insulation?

Fiberglass insulation can also be reused after the initial installation. When installed by professionals, it can be removed easily and put back in place. Fiberglass can also be reclaimed from demolition debris and recycled into a new product.

What can you do with old blown insulation?

Call your local waste-management office and ask what to do with the insulation of your type. In some cases, you can place the bags out with your regular trash. In others, you will have to take it to a designated area at the dump.

Can you put 2 layers of insulation in attic?

You should install two layers of insulation in your attic; wood joists must be covered to allow the air to move. The first layer will sit between the joists, and the second layer will run perpendicular over the joists. The second layer of insulation should be unfaced so that moisture doesn’t collect between the layers.

Can you add insulation on top of existing insulation?

Yes! You can absolutely new insulation over old insulation… as long as it isn’t wet. Wet insulation can lead to mold, mildew, or even the rotting of your ceiling or roof rafters.” In fact, you can add new insulation over the existing installation in other areas of your home, not just the attic.

Do you need to insulate the ceiling in your basement?

When considering basement insulation, you have two choices: Insulate your basement ceiling or your basement walls. It turns out insulating your basement ceiling is not the most effective approach and can cause several unintended problems. Insulating the foundation wallsmay be more effective and less problematic.

Is it OK to put new insulation over old insulation?

Wet insulation is problematic, as it can lead to mold, mildew and sometimes the rotting of ceilings or roof rafters. Although insulation professionals will handle the installation for you, here are some things to keep in mind about removing old insulation and installing new insulation over old insulation, according to ENERGY STAR:

Is the concrete floor insulated in the basement?

The concrete walls are not insulated. I do not plan to “finish” the basement but would like to put some exercise equipment down there, and am concerned by the potential health risk from inhaling FG fibers. I am searching for ways to cover the exposed FG without putting up a drop ceiling or drywall.

Can a first floor ceiling be insulated in a cold climate?

The warm air from the first floor will not be able to infiltrate the lower level as well. So if sound isn’t an issue then I would not even think about going there. (Most people would insulate the ceiling in a cold climate because they do not want the cold air from basement moving to first floor – not because they want to make basement warmer)