Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Compare attic insulation products.
Fiberglass batts and blankets.
Foam insulation products and installation usually cost more than traditional batt insulation.
However foam insulation has higher r values and forms an air barrier which can eliminate some of the other costs and tasks associated with weatherizing a home such as caulking applying housewrap and vapor barrier and taping joints.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
Usa premium foam insulation.
If you do have insulation find out the type and compare it to industry standards.
Choose from two types.
The pros and cons of insulation types.
Spray foam attic insulation spray foam offers the best attic insulation performance available.
If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
The big disadvantage with spray foam is cost.
For diy attic insulation you ve got two choices.
This is a foam in place injection insulation that outperforms the other retrofit insulation products for many reasons.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
This makes insulation incredibly important.
This type of insulation.
The us department of energy has found that the average american home puts 44 percent of its total energy used towards cooling and heating.
Closed cell and open cell aka 2 pound and pound respectively.
Blanket insulation is available as batts or rolls and is the easiest diy insulation material.
Loose fill or batt the common term for blanket insulation.
Calculate additional insulation needed.
Loose fill blown in insulation.
Cellulose is very inexpensive when it comes to attic projects in comparison to other materials.
The higher the r value the better the insulation works.
Cellulose has more recycled material than any other commercially available insulation.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
It s available in fiberglass mineral wool plastic fibers and natural fibers.
It can be a do it yourself attic insulation project.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Cellulose doesn t use any greenhouse gases as propellants.
I d blow insulation on the attic floor after air sealing of course.