Brown Loose Fill Attic Insulation

Thermafiber insul fill blown in attic mineral wool insulation is a premium loose fill product specifically designed for blown applications in new and existing structures.

Brown loose fill attic insulation.

Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. Vermiculite insulation has a pebble like appearance and typically is a grayish brown or silvery gold color. It is made from a natural mineral material that is mined from the earth. Zonolite was often a gold silver or a brown gray in appearance.

Vermiculite loose fill insulation is one of the most common household materials that contains asbestos. If the insulation lays flat it may well be zonolite in the joist cavity versus loose fill fiberglass whereby the particles have a tendency to puff up because of heat. When blown into attics and wall spaces loose fill. This light as air insulation is manufactured from glass that is heated to a liquid and then spun into thin fibers.

On 2020 06 23 by lisa. There is an accordion style texture to the particles. 2 check the underside of your roof for a white or gray rough coating. The particles of insulation have a particular color.

Asbestos spray coating was a commonly used way to insulate a roof and sometimes the sides of buildings. It can be used as the primary building insulation or as additional insulation in walls and ceilings of existing structures. 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. Brown insulation is available in either blanket rigid foam board or loose fill form.

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. You may also find thousands of loose particles within walls or under attic flooring. 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. However there are loose fill wall and attic insulation which can contain asbestos.

Department of energy notes that 75 percent of mineral wool is derived from post industrial content. 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.