When compared under the same conditions fiberglass insulation increases air tightness by 41 over an uninsulated building while cellulose insulation increases air tightness by 74.
Pros and cons of cellulose attic insulation.
Blown in cellulose pros one aspect to consider is air infiltration and in that cellulose is the top choice due to its ability to form a dense mat that allows the air within the insulation to keep moving.
Pros and cons of cellulose attic insulation cellulose recycled ground up paper with boric acid added for insect control and fire resistance offers a better attic insulation option than batts.
Boric acid borax or aluminum sulfate used in cellulose insulation provides resistance to mold pests and fire that can occur in the attic.
The pros and cons of today s most popular insulation.
When blown in cellulose gets into some of the tight corners and hard to reach areas in the attic cavities.
If you choose to install cellulose yourself you can buy the insulation in bags from your local home improvement store.
Insulation efficiently fills gaps.
Unlike fiberglass insulation which improves with the increase of density cellulose insulation offers the same protective values across the board regardless of material density.
Materials can be layered for added protection.
Cellulose is very inexpensive when it comes to attic projects in comparison to other materials.
Blown in fiberglass is considered flame resistant.
Cellulose attic insulation pros.
Blown in insulation flows down around wall studs.
Cellulose has a higher r value and even does not lose the value in the extreme cold were fiberglass may.
Installation projects can be very messy.