Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Types of insulation for attic.
Loose fill or batt the common term for blanket insulation.
R values vary based on the type thickness and density of the insulation material.
R value measures how resistant types of insulation are to heat flow.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
In general an attic s r value should be between r 30 and r 49.
Choose from two types.
Spray foam offers the best attic insulation performance available.
In particularly cold climates you might go up to r 60.
The most common form that insulation comes in is a batt or blanket.
Your home s r value score will guide you toward the type of insulation you need.
Spray foam attic insulation.
For diy attic insulation you ve got two choices.
Batts and blankets loose fill and spray foam.
Batt and blanket insulation.
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.
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.
Insulation is rated by its r value.