First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Cellulose attic insulation inches.
Unlike fiberglass insulation.
When blown in at a proper fill rate it will not settle.
Blown in cellulose insulation costs.
Recommended inches of cellulose attic insulation.
Inspecting your attic insulation.
This calculator is to be used as an estimating tool only.
Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics.
Lighter in weight than cellulose or mineral wool but it settles more than those materials so you ve got to put in a thicker layer to get the protection you need.
Recycled glass or sand that s melted and spun into fibers.
Click the button to calculate the approximate r value for this job.
It has an r value of 3 6 to 3 8 per inch.
We feel that through the use of superior building materials and the appropriate practices we can create sanctuaries at home.
Pros and cons of loose fill fiberglass attic insulation.
Like cellulose you need a big machine to blow it in.
Allowing people to tune out the noise that they live with on a daily basis and spend more time together.
Inches more and more customers are striving for experiences.
Input depth of existing blown in insulation in inches.
Loose fill cellulose is relatively inexpensive yet still has an r value of about 3 5 per inch of thickness compared to fiberglass r value between r3 to r4 per inch.
You can t simply buy it in bags and spread it around yourself.
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.
Cellulose is an eco friendly option made from recycled newspapers with added borate to make it fire and insect resistant.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Or 7 inches of cellulose.
Assuming your current attic insulation is made from fiberglass and has a value of r 13 you d have to add roughly 10 inches of additional fiberglass to hit r 38.
You can get to the same place with either material.
Estimated depth of current insulation.
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.
To hit code minimums you ve got to add new insulation on top of the old insulation.