Best U Value Attic Insulation

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.
Best u value attic insulation. U value 0 11w m2k 0 2w m2k. Modern technology of blanket insulation today is considered the best insulation for attic. Some systems offer the option to increase the internal insulation and can provide a u value as low as 0 11w m2k with a wall thickness of 335mm. Loose fill or batt the common term for blanket insulation.
If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs. The blown in insulation is one of the best forms of insulation material for your attic and smart use of this material will help your home achieve a great and effective r value. The insulation is typically expanded polystyrene and having insulation inside and out gives a u value of at least 0 2w m2k with a wall thickness of 250mm. To find out if you have enough attic insulation measure the thickness of the insulation.
In particularly cold climates you might go up to r 60. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Rolls and batts are produced of mineral wool and fiberglass. 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.
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. See more on different types of insulation. U value insulation drywall good better and best attic insulation solutions guide 11 price guide good better best u value result 0 13 0 11 150mm 0 15 200mm 200mm 150mm 150mm 200mm back stop u value 0 16 for best results your u value target should be 0 11 or better check list. Insulation layer between the ceiling joist.
Loose fill insulation is usually less expensive to install than batt insulation and provides better coverage when installed properly. In general an attic s r value should be between r 30 and r 49. For diy attic insulation you ve got two choices. Both can be added to uninsulated attics or layered over existing material.
Loose fill or batt insulation is typically installed in an attic. Your home s r value score will guide you toward the type of insulation you need. Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter.