These insulation levels will keep heated air from migrating out in winter.
Adding insulation in the attic.
Add the right kind of insulation when adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
In a conventional home an attic is vented to the outside and insulated with porous material that allows cold air to enter in the winter and cold air to escape in the summer explains cr herro.
Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49.
Adding insulation cuts down on energy required to keep the temperature regulated in your home.
To make insulating an attic easier grab a helper and set aside two days.
Check the attic walls and floors adjacent to an unheated space like a garage or basement.
By adding insulation to your attic you ll not only reduce your monthly utility bills but also enjoy improved energy efficiency and greater comfort throughout the year.
Having it in the attic also helps repress air leaks and the outside temperature.
Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation.
Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation.
But saving 1 000 or more with blown in ceiling insulation will make up for your aching back.
For diy attic insulation you ve got two choices.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
By the end of the weekend you re going to be sore and tired.
Ready to find the supplies you need in your local store.
You can achieve better thermal performance in your attic by adding an additional layer of insulation.
Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.
Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.
Both can be added to uninsulated attics or layered over existing material.
Loose fill or batt the common term for blanket insulation.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
You should especially have attic insulation installed in such cases including.
Inspecting and evaluating your insulation.
To determine whether you should add insulation.