Insulation is rated by its r value.
Types of insulation for attic.
You could spend days talking about what type of insulation you should use but we will address a few of the most common types in this section.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Batts and blankets loose fill and spray foam.
Spray foam attic insulation.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
R value measures how resistant types of insulation are to heat flow.
R values vary based on the type thickness and density of the insulation material.
Spray foam offers the best attic insulation performance available.
Choose from two types.
What type of insulation should i use in my attic.
Batt and blanket insulation.
The most common form that insulation comes in is a batt or blanket.
In general an attic s r value should be between r 30 and r 49.
Loose fill or batt the common term for blanket insulation.
Closed cell and open cell aka 2 pound and pound respectively.
Your home s r value score will guide you toward the type of insulation you need.
Both can be added to uninsulated attics or layered over existing material.
Installing this type of insulation is an inexpensive and diy friendly project since the materials are designed to fit into the standard width between wall studs attic rafters and floor joists.