Fiberglass Vs Cellulose Insulation For Attics

Both cellulose and fiberglass insulation provide about the same level of insulating power or r value per inch with slightly different results based on the installation procedure.

Fiberglass vs cellulose insulation for attics.

When using cellulose blown in dry insulation it requires a machine to achieve its purpose and a training session from wherever you rent the blower from. Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch. Cellulose insulates better than fiberglass especially in very cold weather. When used in an attic space however both types of insulation are ineffective at air flow across the attic floor such as a strong gust of wind.

The attic is one of the most essential areas of the home to ensure proper insulation in. Assuming your current attic insulation is made from fiberglass and has a value of r 13 you d have to add roughly 10 inches of additional fiberglass to hit r 38. Posted september 19 2019 by lewis insulation filed under attic insulation. Fiberglass insulation is the easiest insulation product on the market to install and if installed correctly the most effective product on the market for home attic insulation.

So what are the advantages and disadvantages of each of these. You can get to the same place with either material. Attic insulation keeps the desirable temperature in and the undesirable temperature out. Fiberglass insulation and cellulose insulation offer similar r values.

Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall. If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Blown cellulose is typically the preferred choice of insulation for attics.

Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Cellulose wins last update. Installer benefits for cellulose and fiberglass. Attic insulation contrast compare.

If fiberglass batts become compressed losing some of their air pockets then this insulation may be more affected by air flow than cellulose which performs well regardless of density. See below for homeowner vs. Don t let money fly out of your roof. Blown in insulation is used for new constuction and retrofitting existing attics with additional insulation.

Fiberglass insulation blown in attic r2 2 r4 3. R values for blown in are determined by the material installed settled depth and density. Pros and cons of loose fill fiberglass attic insulation.