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