Some installations can yield a higher r value than traditional batt insulation for the same thickness and can fill even the smallest cavities creating an effective air barrier.
Best attic insulation method.
There are two types of spray foam insulation.
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.
Closed cell and open cell aka 2 pound and pound respectively.
Blanket insulation modern technology of blanket insulation today is considered the best insulation for attic.
Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage.
For diy attic insulation you ve got two choices.
Open cell and closed cell.
Foam is sprayed from the containers in specific places of the house.
It can be effectively blown over existing insulation and.
Choose from two types.
I ve also heard people call them half pound and two pound foams respectively.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
The best way to insulate an attic or pretty much anything else in a home is to use spray foam insulation.
The best places to install this kind of installation are new wall spaces unfinished attics or existing walls.
Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams.
Rolls and batts are produced of mineral wool and fiberglass.
Both can be added to uninsulated attics or layered over existing material.
Loose fill or batt the common term for blanket insulation.
It s usually installed by professionals who use special equipment to spray it onto the attic floor and into attic wall cavities source.
Spray foam offers the best attic insulation performance available.
The installer taking his best firefighter pose holds a large hose and blows the chunks into the attic.
For example if you live in a cold climate but you have an hvac unit in your attic a hybrid method of laying the foil down and stapling it up is probably your best method.
A large machine outside churns the chunks and uses air to blow them up through the hose.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Another example would be someone who is in the midwest and they are planning to lay the foil over their attic floor but they use their attic for storage.