Brown Loose Attic Insulation
It is made from a natural mineral material that is mined from the earth.
Brown loose attic insulation. When blown into attics and wall spaces loose fill. Would ignite and smolder but not really burn. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Is this balsam wool.
Look in your attic for loose fill asbestos. Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch. I wonder if you recognize the loose fill insulation in attached photo. When you install insulation in an existing closed wall or in an attic it likely will be a loose fill product called blow in cellulose insulation.
Like cellulose you need a big machine to blow it in. For example loose fill insulation is calculated based on depth while blanket insulation is based on the number of batts or rolls you need. Asbestos spray coating was a commonly used way to insulate a roof and sometimes the sides of buildings. What is this dark brown fibrous insulation.
Department of energy notes that 75 percent of mineral wool is derived from post industrial content. Where to insulate insulate your attic outer walls and crawl space first as these areas have the most heat transfer. This insulation was found in an attic in 1944 house. You can t simply buy it in bags and spread it around yourself.
Brown insulation is available in either blanket rigid foam board or loose fill form. This light as air insulation is manufactured from glass that is heated to a liquid and then spun into thin fibers. Pros and cons of loose fill fiberglass attic insulation. Brown insulation is made up of mineral wool which comes from either rock natural materials or slag the scum on the surface of molten metal.
2 check the underside of your roof for a white or gray rough coating. Vermiculite loose fill insulation is one of the most common household materials that contains asbestos. Vermiculite insulation has a pebble like appearance and typically is a grayish brown or silvery gold color. Both can be added to uninsulated attics or layered over existing material.
With an attic this type of insulation is just one option along with the other popular alternatives fiberglass batts or blown in fiberglass. For diy attic insulation you ve got two choices.