Higher r value per inch.
Blown in cellulose vs fiberglass insulation attic.
There are two ways to get your insulation whether fiberglass or cellulose.
Types of fiberglass and cellulose insulation.
Blown in spray foam batts and blankets.
Blown in cellulose homeowner benefits.
Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.
We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.
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.
Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.
Compared to fiberglass cellulose is a superb air blocker.
The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.
So what are the advantages and disadvantages of each of these.
Dirty fiberglass batts have a significantly reduced r value.
Very common very problematic.
Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch.
Blown cellulose is typically the preferred choice of insulation for attics.
Because it is denser than fiberglass cellulose is much more resistant to wind washing.
Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine.
Batts or loose fill.
This is called wind washing.
Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass.
Air moving through a vented attic deposits dirt and dust into fiberglass batts.
Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine.