Modern technology of blanket insulation today is considered the best insulation for attic.
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.
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.
Inspecting your attic insulation.
Environmental protection agency and the department of energy s energy star.
Rolls and batts are produced of mineral wool and fiberglass.
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.
Loose fill or batt the common term for blanket insulation.
This generally refers to a whole structure rather than an individual wall window door or roof.
The more the material restricts the flow of heat the higher its r value source.
Denim is also available in a loose fill insulation.
It has an r value of 6 7 and covers 5 3 square feet.
Both can be added to uninsulated attics or layered over existing material.
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.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Ultratouch denim insulation comes in rolled batts like fiberglass insulation.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
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.
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 best u factor for your climate zone.
R values represent resistance to the flow of heat.
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.
In particularly cold climates you might go up to r 60.
For diy attic insulation you ve got two choices.
The higher the r value the greater the resistance and the insulating value.
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.
The best attic is an empty attic.