Cellulose Attic Insulation Inches

First you ll need to determine your r value.

Cellulose attic insulation inches.

When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. Recycled glass or sand that s melted and spun into fibers. 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. For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.

We ll walk you through the steps to help you find the right type of fiberglass attic insulation and the right amount. 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. Unlike fiberglass insulation. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics.

Cellulose is an eco friendly option made from recycled newspapers with added borate to make it fire and insect resistant. We feel that through the use of superior building materials and the appropriate practices we can create sanctuaries at home. Like cellulose you need a big machine to blow it in. Loose fill cellulose insulation is composed of pulverized paper and fabric material treated with a flame retardant.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Recommended inches of cellulose attic insulation. You can t simply buy it in bags and spread it around yourself. Blown in cellulose insulation costs.

This calculator is to be used as an estimating tool only. Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch. Input depth of existing blown in insulation in inches. When blown in at a proper fill rate it will not settle.

Inspecting your attic insulation. It has an r value of 3 6 to 3 8 per inch. Estimated depth of current insulation. If it s a new building simply reference the energy code map.

Allowing people to tune out the noise that they live with on a daily basis and spend more time together. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. Click the button to calculate the approximate r value for this job. Pros and cons of loose fill fiberglass attic insulation.