Asked by: Colas Ziegelaar
asked in category: General Last Updated: 6th March, 2020

Can you mix different types of insulation?

You can mix and match the various kinds of insulation. For example, if you have cellulose insulation, and more insulation is needed, you can add any type you wish. It is also acceptable to use batts over loose-fill material and loose-fill material over batts.

Click to see full answer.

Keeping this in view, what are the different types of insulation?

The most common insulation materials are fiberglass, cellulose and foam. Insulation types include loose fill, batts, rolls, foam board, spray board and vapor barriers.

Likewise, what type of insulation is best? The best insulation options for an attic are open cell spray foam, fiberglass, and cellulose.

  • Cellulose is the oldest insulation material used for not only the attic, but other areas of the home as well.
  • Fiberglass is another traditional insulation material that consists of extremely fine glass fibers.

Similarly, can you stack insulation?

Yes. For example, two R-19 batts can be stacked on each other to create R-38 insulation. You also can add loose-fill insulation on top of a bottom layer of batts.

Can I put new insulation on top of old?

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.

39 Related Question Answers Found

What is the best insulation for 2x4 walls?

Can I spray foam insulation myself?

How thick should insulation be?

How many square feet is a roll of insulation?

What is the highest R value insulation?

How do I know if I have asbestos insulation?

What is insulation R value?

Can you put too much insulation in your attic?

Can you put 2 layers of insulation?

Does layering insulation increase R value?

Is rolled insulation better than blown?

How many inches of insulation should be in my attic?

Do I need to remove old insulation before installing new?