If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
Best rated attic insulation.
Both can be added to uninsulated attics or layered over existing material.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Modern technology of blanket insulation today is considered the best insulation for attic.
When the design of your attic allows the best attic insulation is inexpensive easy to install and will yield the performance you re looking for.
Sealing large air leaks is next followed by insulating the basement.
Loose fill or batt the common term for blanket insulation.
The answer to the question of which attic insulation is best is of course entirely circumstantial.
When you re trying to decide on the best option for your attic you need to keep in mind the amount of money you re willing to spend the r value you need dependent on where you live and the type of obstructions in your attic.
Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc.
The attic is the easiest place to insulate and the most important in terms of saving money and energy.
Therefore an attic insulation project will cost approximately 1 50 to 3 50 per square foot.
A federal energy tax credit can help homeowners recoup their insulation investment if they complete the improvements by the end of 2007.
So it s time to pay close attention to what s happening up there.
This reflective insulation is useful for spaces like the attic walls metal buildings crawl space post and frame structures.
I d blow insulation on the attic floor after air sealing of course.
The big disadvantage with spray foam is cost.
For diy attic insulation you ve got two choices.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.