Blown Fiberglass Or Cellulose Attic Insulation

Blown fiberglass on the other hand is made up of very fine strands of glass and these tiny fibers are a carcinogen that can easily be inhaled into your lungs.

Blown fiberglass or cellulose attic insulation.

It is also able to be blown indirectly over the top of existing insulation as an added layer. Thus creating a more energy efficient home. You d need a thickness of. The material can be either fiberglass or cellulose and consists of fiber foam or other materials in small particles and can even feel like down.

Often fiberglass batts are used in areas with limited access. This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to. Very common very problematic. Fiberglass batts however are less expensive costing on average 0 30to 0 40a square foot for 6 inches of insulation.

Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine. Blown in insulation may be used in attics with ample room for an installer. When comparing blown in insulation both fiberglass and cellulose are nearly identical in price both costing around 0 70to 0 80per square foot for 6 inches of insulation. Both fibreglass and cellulose are the two most inexpensive insulation products that you could use.

When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect. Blown in cellulose and fiberglass are excellent products for new construction. Batts or loose fill. Typically attics with a pitch of 3 12 or greater will provide enough room for an installer to crawl through the trusses.

Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. This type of insulation is able to be blown in parallel to joists in order to fill in the empty space. Loose fill or blown cellulose insulation is manufactured primarily from recycled newspapers a very benign product so it poses virtually no ongoing health risk.