Best U Value Attic 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.

Best u value attic insulation.

Your home s r value score will guide you toward the type of insulation you need. In general an attic s r value should be between r 30 and r 49. Modern technology of blanket insulation today is considered the best insulation for attic. U value 0 11w m2k 0 2w m2k.

A vast majority of production builders prefer to use batt insulation for the walls of the homes that they construct however there is a strong case that needs to be made for blown in fibreglass. 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. 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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

Insulation layer between the ceiling joist. 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. Different insulation materials have unique strengths and weaknesses and some attics will be more suited for certain material than others. Loose fill or batt insulation is typically installed in an attic.

Loose fill or batt the common term for blanket insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Loose fill insulation is usually less expensive to install than batt insulation and provides better coverage when installed properly. 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. Both can be added to uninsulated attics or layered over existing material. 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. Rolls and batts are produced of mineral wool and fiberglass.

See more on different types of insulation. 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. 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.