Brown Loose Fill Attic And Wall Insulation

When blown into attics and wall spaces loose fill.

Brown loose fill attic and wall insulation.

Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. Lisa that photo looks to me almost certainly like loose fill cellulose not fiberglass. 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. Another loose fill insulation with an asbestos exposure risk is vermiculite insulation.

If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos. However there are loose fill wall and attic insulation which can contain asbestos. If you re insulation is the batt style insulation as the loose fill insulation has the higher risk as it s loosely poured into wall or joist cavities. Like cellulose you need a big machine to blow it in.

Brown insulation is available in either blanket rigid foam board or loose fill form. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. All of those can be a dangerous risk. This fluffy insulation is usually blue grey to white in color and has a high risk of inhalation because it is not compressed.

Department of energy notes that 75 percent of mineral wool is derived from post industrial content. On 2020 06 23 by lisa i m looking at a 1930s house that the inspection report listed as having loose fill fiberglass insulation in the attic however the photo of the insulation in the attic doesn t look like fiberglass to me. 2x6 wall 4 attic 5 ceiling insulation 3 floor 1 material. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.

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. This light as air insulation is manufactured from glass that is heated to a liquid and then spun into thin fibers. Loose fill is another form of wall and ceiling insulation that can contain asbestos. You may also find thousands upon thousands of loose particles beneath the floorboards of your attic and inside walls.

If the insulation is in batt form there is nothing to worry about it is loose fill insulation poured loosely into wall stud cavities or joists that are problematical. 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.