Asked by: Colas Ziegelaarasked in category: General Last Updated: 6th March, 2020
Can you mix different types of insulation?
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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.