Unless your home was specially constructed for energy efficiency you can probably reduce your energy bills by adding more insulation.
How to add more insulation to attic.
The blue line in all the graphs below shows the heat flow through the wall and the red columns show either the stepwise or cumulative reduction in heat flow compared to what it was with an r 2 r 11 or r 16 wall.
In general an attic s r value should be.
As you keep adding more and more insulation you keep reducing the heat flow through the wall more and more.
Your home s r value score will guide you toward the type of insulation you need.
By reducing energy.
How much does attic insulation cost.
You can do it yourself for about 500.
The higher the r value the more effective an insulating material is.
Many older homes have less insulation than homes built today but even adding insulation to a newer home can pay for itself within a few years.
Fortunately adding insulation to an attic is a task well within the ability of a competent do it yourselfer.
The chart included below shows you the approximate thickness of each type of insulation you should ideally have in the attic.
When you do the measuring make sure you have plenty of light to work by and work on a cool day.
Affix rigid foam insulation to the attic side of the hatch or door.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
To determine if you need more insulation measure what s in place with a ruler or tape.
A blanket of insulation on the attic floor can make a huge difference in the comfort level of a home and in the amount of money spent on heating and cooling annually.
Measure the length and width of the attic.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home.
Blowing attic insulation isn t hard but it s dusty sweaty work.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Multiply length by width to determine.
Attic hatch or door.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
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.