R value is a measure of insulation s ability to resist heat traveling through it.
Do i need more attic insulation.
Do i have enough.
In general an attic s r value should be between r 30 and r 49.
The higher the r value the better the thermal performance of the insulation.
More insulation installation tricks and tips.
But it settles more than those materials so you ve got to put in a thicker layer to get the protection you need.
There are four especially common signs of problems with attic insulation.
Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic.
No matter what kind of insulation you currently have in your attic one quick way to determine if you need more is to look across the span of your attic.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
If your insulation is just level with or below your floor.
For diy attic insulation you ve got two choices.
A quick way to see if you need more insulation is to look across your attic floor.
However there are a few easy things you can do to see if your attic is properly insulated.
If your insulation level is at or below the top of the floor joists you probably need to add more insulation but remember to seal the air leaks before you insulate.
Dallas texas falls in climate zone three where attics are recommended to have an r value between 38 49 this means a minimum of 12 of insulation.
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.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Inspecting your attic insulation.
Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace.
Blown in insulation overview.
Your home s r value score will guide you toward the type of insulation you need.
How do i know if i have enough insulation in my attic.
Insulation level are specified by r value.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
If you notice one or more of these occurring you probably need to take action.
In particularly cold climates you might go up to r 60.
Common signs of problems with insulation.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Loose fill or batt the common term for blanket insulation.
How much does attic insulation cost.