Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Do i need to insulation ceiling of attic.
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.
You can do it yourself for about 500.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Unfinished or uninsulated attics need a layer of protection against air migration.
The batting material must be faced and at least as thick as.
Insulation level are specified by r value.
Blowing attic insulation isn t hard but it s dusty sweaty work.
Both can be added to uninsulated attics or layered over existing material.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
It isn t important to insulate the ceiling between the attic and the garage because those areas are not affected by a home s heating and cooling system.
Install batting between the attic s floor joists.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Typical ceiling insulation involves spreading either loose fill or batt the term commonly used for blanket insulation within the attic or airspace of a home.
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.
Input length and width of area to be insulated.
R value is a measure of insulation s ability to resist heat traveling through it.
There are better ways to spend your money on garage improvements that may help lower your energy bills.
This calculator is to be used as an estimating tool only.
Inspecting your attic insulation.
Your home needs at least some type of insulation to keep the interior temperature of your home regulated regardless of the specific climate you live in.
However if your attic gets very hot in the summer insulating the ceiling may reduce some of the heat transferred from the attic to the garage space via conduction through the ceiling materials.
The higher the r value the better the thermal performance of the insulation.
Blown in insulation overview.
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.
Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.
How much does attic insulation cost.