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.
Best attic insulation options.
Messy unsightly and can be very expensive cost.
Loose fill or batt the common term for blanket insulation.
Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
For diy attic insulation you ve got two choices.
Ft while closed cell comes in at 1 200.
Some installations can yield a higher r value than traditional batt insulation for the same thickness and can fill even the smallest cavities creating an effective air barrier.
Spray foam attic insulation.
Both can be added to uninsulated attics or layered over existing material.
Department of energy polystyrene insulation comes in rigid foam boards that make it easy to insulate any part of a building.
Choose from two types.
Blown in insulation requires the least amount of work but requires special tools and equipment.
For interior insulation this provides perhaps the greatest r value and with proper installation it covers gaps better than most options cons.
Sealing large air leaks is next followed by insulating the basement.
So it s time to pay close attention to what s happening up there.
If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
In fact it s a form of plastic.
Rolls and batts are produced of mineral wool and fiberglass.
A federal energy tax credit can help homeowners recoup their insulation investment if they complete the improvements by the end of 2007.
Material costs and going with diy the open cell costs about 600 to cover 1 000 sq.
Closed cell and open cell aka 2 pound and pound respectively.
Fiberglass insulation is calculated based on the number of batts or rolls you need.
The big disadvantage with spray foam is cost.
Fiberglass insulation in rolls or batts can be easily added by the homeowner.
Modern technology of blanket insulation today is considered the best insulation for attic.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Cellulose insulation is calculated based on the depth of the blown in insulation.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
I d blow insulation on the attic floor after air sealing of course.
Polystyrene doesn t sound like a green material.
Yet polystyrene is a fabulous insulator with r values that range from r 3 8 to r 4 4 per inch of thickness and so it s considered green because it helps save so much energy source.