Cellulose Attic Insulation Inches

Recycled glass or sand that s melted and spun into fibers.

Cellulose attic insulation inches.

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. Blown in cellulose insulation costs. 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.

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. 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. Cellulose is an eco friendly option made from recycled newspapers with added borate to make it fire and insect resistant. Pros and cons of loose fill fiberglass attic insulation.

This calculator is to be used as an estimating tool only. 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. It has an r value of 3 6 to 3 8 per inch.

Inspecting your attic insulation. Click the button to calculate the approximate r value for this job. To hit code minimums you ve got to add new insulation on top of the old insulation. 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.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. You can t simply buy it in bags and spread it around yourself. Unlike fiberglass insulation. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

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. When blown in at a proper fill rate it will not settle. Inches more and more customers are striving for experiences.

Recommended inches of cellulose attic insulation. We feel that through the use of superior building materials and the appropriate practices we can create sanctuaries at home. Or 7 inches of cellulose. Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch.