Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Best type and brand of fiber glass attic insulation.
This makes insulation incredibly important.
The us department of energy has found that the average american home puts 44 percent of its total energy used towards cooling and heating.
Just as there are two types of blown insulation fiberglass and cellulose and two types of people those who divide everything into two groups and those who don t there are two types of spray foam open cell and closed cell.
In general an attic s r value should be between r 30 and r 49.
R values vary based on the type thickness and density of the insulation material.
The third major type of insulation is spray foam.
Loose fill or batt the common term for blanket insulation.
Your home s r value score will guide you toward the type of insulation you need.
Spray foam offers the best attic insulation performance available.
Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc.
Spray foam attic insulation.
Choose from two types.
Types of attic insulation material though r value is a the higher the better measurement the insulation material with the highest r value isn t necessarily the best choice for your house.
I heard this one for many years before i finally wrote about it.
Yes there was a study from the early 1990s that showed blown fiberglass in attics could lose 50 of its r value when the attic temperature dropped.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
If your attic floors and or walls do not have the proper level of insulation a big chunk of the costly cooled or heated air meant for the inside of your home may be making its way outside.
Rolls and batts are produced of mineral wool and fiberglass.
Different insulation materials have unique strengths and weaknesses and some attics will be more suited for certain material than others.
Closed cell and open cell aka 2 pound and pound respectively.
R value measures how resistant types of insulation are to heat flow.
In particularly cold climates you might go up to r 60.
For diy attic insulation you ve got two choices.
Both can be added to uninsulated attics or layered over existing material.
Modern technology of blanket insulation today is considered the best insulation for attic.