How Much Insulation Should An Attic Have
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
How much insulation should an attic have. Insulation levels are specified by r value. According to home advisor insulating your attic can cost between 1700 to. R value is a measure of insulation s ability to resist heat flow. Give us a call today at 602 349 6922 and we ll do our best to help you out.
In severe instances the flow air through the attic can create an updraft that draws cooler air through the doors windows and floor and makes you feel colder. The higher the r value the better the thermal performance of the insulation. The thicker the better. Fiberglass and cellulose insulation have r values of 2 9 to 3 8 per inch while sprayed foam insulation can go as high as 8 0 per inch.
Department of energy it s recommended that attics have an r 38 to r 49 or about 12 to 15 of fiberglass or cellulose insulation. In some cases you may also need the expertise of an electrician to safely insulate around junction boxes or cables. How much should i add. We want to help you learn about the best type of insulation for your attic.
The insulation in your attic should be at least 12 thick. 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 table below shows what levels of insulation are cost effective for different climates and locations in the home. Expect to pay an attic insulation installer about 70 per hour.
There are several types of attic insulation available at precision air heating. Insulation level are specified by r value. See professionally prepared estimates for attic insulation work. Keep reading for the details.
The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options. But if you can t afford to shell out a few hundred bucks for this service never fear. Inspecting your attic insulation. It is not uncommon to see 15 to 20 of insulation in a well insulated attic.
Expect to pay an additional 85 per hour for this service. The higher the r value the better the. See typical tasks and time to insulate an attic along with per unit costs and material requirements. R value is a measure of insulation s ability to resist heat traveling through it.
If your attic insulation is only a few inches thick or if you can see the ceiling joists you re wasting money on your heating and cooling bills. How much insulation do i need in my attic. If your attic insulation covers your joists and is distributed evenly you probably have enough. To see how to add insulation out to the eaves see installing rafter vents.
According to the u s.