Spray foam offers the best attic insulation performance available.
Attic insulation two types.
Types of attic insulation material though r value is a the higher the better measurement the insulation material with the highest r value isn t necessarily the best choice for your house.
The most common insulation materials are fiberglass cellulose and foam.
For diy attic insulation you ve got two choices.
Insulation types include loose fill batts rolls foam board spray board and vapor barriers.
There are two types of foam in place insulation.
Different insulation materials have unique strengths and weaknesses and some attics will be more suited for certain material than others.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Another way to determine what type of insulation you have in your home is to look at the insulation itself.
For example if the insulation is loose fill grey soft and without a shine you probably have cellulose insulation.
The third major type of insulation is spray foam.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
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.
Closed cell and open cell aka 2 pound and pound respectively.
Choose from two types.
Both are typically made with polyurethane.
The type of insulation you need depends on which type is currently installed and the required r value.
In general an attic s r value should be between r 30 and r 49.
With closed cell foam the high density cells are closed and filled with a gas that helps the foam expand to fill the spaces around it.
In particularly cold climates you might go up to r 60.
Consider the key characteristics.
Your home s r value score will guide you toward the type of insulation you need.
Loose fill or batt the common term for blanket insulation.
The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons.
Old attic insulation types.
Both can be added to uninsulated attics or layered over existing material.
There are three types of blown in insulation.