Best U Value Attic Insulation

Whatever your definition of green the best way to quantify how well insulation works is by its r value which measures its resistance to heat flow and ranges between less than r 1 and r 60.

Best u value attic insulation.

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. Modern technology of blanket insulation today is considered the best insulation for attic. 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.

In particularly cold climates you might go up to r 60. Ultratouch denim insulation comes in rolled batts like fiberglass insulation. It has an r value of 6 7 and covers 5 3 square feet. Your home s r value score will guide you toward the type of insulation you need.

The more the material restricts the flow of heat the higher its r value source. This generally refers to a whole structure rather than an individual wall window door or roof. The best u factor for your climate zone. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

A standardized insulation rating system ensures consistency with insulating materials rated in r and u values. These can be combined for best insulation quality. My wife and i have unloaded a lot items we seem to never use which was partially inspired by the homeowners of our 2014 best small home. Inspecting your attic insulation.

R values represent resistance to the flow of heat. You see from a performance perspective the best attic is an empty attic and i ve worked to ensure that i don t have anything in my attic except air. U value is the thermal transmittance the temperature shift that occurs when the outside and inside temperatures differ. Denim is also available in a loose fill insulation.

Loose fill or batt the common term for blanket insulation. Rolls and batts are produced of mineral wool and fiberglass. The best attic is an empty attic. U values are the direct opposite representing the amount of heat that escapes through a material.

The higher the r value the greater the resistance and the insulating value. In general an attic s r value should be between r 30 and r 49. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Environmental protection agency and the department of energy s energy star.

Home depot sells a roll of 16 inch by 48 inch denim batt for 11 20.