Cellulose Attic Insulation Inches

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.

Cellulose attic insulation inches.

Recycled glass or sand that s melted and spun into fibers. Recommended inches of cellulose attic insulation. Allowing people to tune out the noise that they live with on a daily basis and spend more time together. Input depth of existing blown in insulation in inches.

Loose fill cellulose insulation is composed of pulverized paper and fabric material treated with a flame retardant. 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. Or 7 inches of cellulose. Cellulose is an eco friendly option made from recycled newspapers with added borate to make it fire and insect resistant.

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. Click the button to calculate the approximate r value for this job. We feel that through the use of superior building materials and the appropriate practices we can create sanctuaries at home. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics.

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. It has an r value of 3 6 to 3 8 per inch. Estimated depth of current insulation. When blown in at a proper fill rate it will not settle.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. This calculator is to be used as an estimating tool only. Pros and cons of loose fill fiberglass attic insulation. Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch.

Like cellulose you need a big machine to blow it in. Inches more and more customers are striving for experiences. You can t simply buy it in bags and spread it around yourself. Blown in cellulose insulation costs.

You can get to the same place with either material. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. 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. To hit code minimums you ve got to add new insulation on top of the old insulation.