What type of insulation should i use in my attic.
Types of insulation for attic.
For diy attic insulation you ve got two choices.
R values vary based on the type thickness and density of the insulation material.
Choose from two types.
Spray foam offers the best attic insulation performance available.
Loose fill or batt the common term for blanket insulation.
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.
The most common form that insulation comes in is a batt or blanket.
Batt and blanket insulation.
Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold.
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.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Batts and blankets loose fill and spray foam.
In general an attic s r value should be between r 30 and r 49.
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.
Your home s r value score will guide you toward the type of insulation you need.
R value measures how resistant types of insulation are to heat flow.
Both can be added to uninsulated attics or layered over existing material.