Your home s r value score will guide you toward the type of insulation you need.
Best u value attic insulation.
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.
It has an r value of 6 7 and covers 5 3 square feet.
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.
This generally refers to a whole structure rather than an individual wall window door or roof.
U values are the direct opposite representing the amount of heat that escapes through a 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.
Environmental protection agency and the department of energy s energy star.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
These can be combined for best insulation quality.
U value is the thermal transmittance the temperature shift that occurs when the outside and inside temperatures differ.
Modern technology of blanket insulation today is considered the best insulation for attic.
A standardized insulation rating system ensures consistency with insulating materials rated in r and u values.
Home depot sells a roll of 16 inch by 48 inch denim batt for 11 20.
The higher the r value the greater the resistance and the insulating value.
The best u factor for your climate zone.
The best attic is an empty attic.
Inspecting your attic insulation.
In particularly cold climates you might go up to r 60.
Loose fill or batt the common term for blanket insulation.
For diy attic insulation you ve got two choices.
Rolls and batts are produced of mineral wool and fiberglass.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
In general an attic s r value should be between r 30 and r 49.
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.
Both can be added to uninsulated attics or layered over existing material.
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.
Ultratouch denim insulation comes in rolled batts like fiberglass insulation.
R values represent resistance to the flow of heat.
Denim is also available in a loose fill insulation.